Home / 861,547,668,038.85-1,292,347,829,645.40-295,577,415,718.74

Finding the Fourth Proportional to 861,547,668,038.85, 1,292,347,829,645.40 and 295,577,415,718.74

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Solution

The fourth proportional to 861,547,668,038.85, 1,292,347,829,645.40 and 295,577,415,718.74 is: 443,375,155,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,547,668,038.85 : 1,292,347,829,645.40 = 295,577,415,718.74 : x
  2. Step 2: Convert to fraction form
    861,547,668,038.85/1,292,347,829,645.40 = 295,577,415,718.74/x
  3. Step 3: Cross multiply
    861,547,668,038.85x = 1,292,347,829,645.40 × 295,577,415,718.74
  4. Step 4: Simplify right side
    861,547,668,038.85x = 381,988,831,696,309,721,235,456
  5. Step 5: Solve for x
    x = 381,988,831,696,309,721,235,456/861,547,668,038.85
  6. Step 6: Final answer
    x = 443,375,155,974.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.