Home / 642,309,062.40-967,781,531.52-580,966,609.92

Finding the Fourth Proportional to 642,309,062.40, 967,781,531.52 and 580,966,609.92

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Solution

The fourth proportional to 642,309,062.40, 967,781,531.52 and 580,966,609.92 is: 875,355,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,309,062.40 : 967,781,531.52 = 580,966,609.92 : x
  2. Step 2: Convert to fraction form
    642,309,062.40/967,781,531.52 = 580,966,609.92/x
  3. Step 3: Cross multiply
    642,309,062.40x = 967,781,531.52 × 580,966,609.92
  4. Step 4: Simplify right side
    642,309,062.40x = 562,248,755,510,360,000
  5. Step 5: Solve for x
    x = 562,248,755,510,360,000/642,309,062.40
  6. Step 6: Final answer
    x = 875,355,476.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.