Home / 356,088,691.40-534,133,037.10-323,777,078.60

Finding the Fourth Proportional to 356,088,691.40, 534,133,037.10 and 323,777,078.60

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Solution

The fourth proportional to 356,088,691.40, 534,133,037.10 and 323,777,078.60 is: 485,665,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,088,691.40 : 534,133,037.10 = 323,777,078.60 : x
  2. Step 2: Convert to fraction form
    356,088,691.40/534,133,037.10 = 323,777,078.60/x
  3. Step 3: Cross multiply
    356,088,691.40x = 534,133,037.10 × 323,777,078.60
  4. Step 4: Simplify right side
    356,088,691.40x = 172,940,034,335,983,424
  5. Step 5: Solve for x
    x = 172,940,034,335,983,424/356,088,691.40
  6. Step 6: Final answer
    x = 485,665,617.90

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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.