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Finding the Fourth Proportional to 497,665,655.40, 746,498,483.10 and 449,292,714.60

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Solution

The fourth proportional to 497,665,655.40, 746,498,483.10 and 449,292,714.60 is: 673,939,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,665,655.40 : 746,498,483.10 = 449,292,714.60 : x
  2. Step 2: Convert to fraction form
    497,665,655.40/746,498,483.10 = 449,292,714.60/x
  3. Step 3: Cross multiply
    497,665,655.40x = 746,498,483.10 × 449,292,714.60
  4. Step 4: Simplify right side
    497,665,655.40x = 335,396,329,916,781,248
  5. Step 5: Solve for x
    x = 335,396,329,916,781,248/497,665,655.40
  6. Step 6: Final answer
    x = 673,939,071.90

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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.