Home / 387,480,909.30-581,493,727.95-350,433,824.97

Finding the Fourth Proportional to 387,480,909.30, 581,493,727.95 and 350,433,824.97

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Solution

The fourth proportional to 387,480,909.30, 581,493,727.95 and 350,433,824.97 is: 525,897,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,480,909.30 : 581,493,727.95 = 350,433,824.97 : x
  2. Step 2: Convert to fraction form
    387,480,909.30/581,493,727.95 = 350,433,824.97/x
  3. Step 3: Cross multiply
    387,480,909.30x = 581,493,727.95 × 350,433,824.97
  4. Step 4: Simplify right side
    387,480,909.30x = 203,775,071,281,583,136
  5. Step 5: Solve for x
    x = 203,775,071,281,583,136/387,480,909.30
  6. Step 6: Final answer
    x = 525,897,060.71

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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.