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Finding the Fourth Proportional to 892,183,614.80, 1,337,755,791 and 346,287,419.60

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Solution

The fourth proportional to 892,183,614.80, 1,337,755,791 and 346,287,419.60 is: 519,229,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,183,614.80 : 1,337,755,791 = 346,287,419.60 : x
  2. Step 2: Convert to fraction form
    892,183,614.80/1,337,755,791 = 346,287,419.60/x
  3. Step 3: Cross multiply
    892,183,614.80x = 1,337,755,791 × 346,287,419.60
  4. Step 4: Simplify right side
    892,183,614.80x = 463,248,000,920,346,944
  5. Step 5: Solve for x
    x = 463,248,000,920,346,944/892,183,614.80
  6. Step 6: Final answer
    x = 519,229,442.50

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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.