Home / 497,918,346.92-687,187,572.08-283,389,151.22

Finding the Fourth Proportional to 497,918,346.92, 687,187,572.08 and 283,389,151.22

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Solution

The fourth proportional to 497,918,346.92, 687,187,572.08 and 283,389,151.22 is: 391,111,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,918,346.92 : 687,187,572.08 = 283,389,151.22 : x
  2. Step 2: Convert to fraction form
    497,918,346.92/687,187,572.08 = 283,389,151.22/x
  3. Step 3: Cross multiply
    497,918,346.92x = 687,187,572.08 × 283,389,151.22
  4. Step 4: Simplify right side
    497,918,346.92x = 194,741,502,775,830,880
  5. Step 5: Solve for x
    x = 194,741,502,775,830,880/497,918,346.92
  6. Step 6: Final answer
    x = 391,111,321.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.