Home / 435,641,138.70-653,461,708.05-433,090,221.90

Finding the Fourth Proportional to 435,641,138.70, 653,461,708.05 and 433,090,221.90

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Solution

The fourth proportional to 435,641,138.70, 653,461,708.05 and 433,090,221.90 is: 649,635,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,641,138.70 : 653,461,708.05 = 433,090,221.90 : x
  2. Step 2: Convert to fraction form
    435,641,138.70/653,461,708.05 = 433,090,221.90/x
  3. Step 3: Cross multiply
    435,641,138.70x = 653,461,708.05 × 433,090,221.90
  4. Step 4: Simplify right side
    435,641,138.70x = 283,007,876,142,527,488
  5. Step 5: Solve for x
    x = 283,007,876,142,527,488/435,641,138.70
  6. Step 6: Final answer
    x = 649,635,332.85

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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.