#include <iostream>
#include <algorithm>
#include <iomanip>
#include <bitset>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cstring>
#include <string>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <climits>

using namespace std;
typedef long long ll;
typedef unsigned long long ull;



int main()
{
    ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
    int t;
    scanf("%d",&t);
    while(t--)
    {
        double n,maxx,minn,ave;
        scanf("%lf%lf%lf%lf",&n,&maxx,&minn,&ave);
        double sum=ave*n;
        //cout<<sum<<endl;
        if(maxx<minn)
            cout<<"no"<<endl;
        else if(sum>=maxx+(n-1)*minn&&sum<=minn+(n-1)*maxx)
            cout<<"yes"<<endl;
        else
            cout<<"no"<<endl;
    }

    return 0;
}