Home / 529,982,092.50-731,380,700.04-291,849,421.38

Finding the Fourth Proportional to 529,982,092.50, 731,380,700.04 and 291,849,421.38

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Solution

The fourth proportional to 529,982,092.50, 731,380,700.04 and 291,849,421.38 is: 402,755,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,982,092.50 : 731,380,700.04 = 291,849,421.38 : x
  2. Step 2: Convert to fraction form
    529,982,092.50/731,380,700.04 = 291,849,421.38/x
  3. Step 3: Cross multiply
    529,982,092.50x = 731,380,700.04 × 291,849,421.38
  4. Step 4: Simplify right side
    529,982,092.50x = 213,453,034,115,173,344
  5. Step 5: Solve for x
    x = 213,453,034,115,173,344/529,982,092.50
  6. Step 6: Final answer
    x = 402,755,181.99

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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.