Home / 663,552,000.30-995,328,000.45-419,895,705.90

Finding the Fourth Proportional to 663,552,000.30, 995,328,000.45 and 419,895,705.90

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Solution

The fourth proportional to 663,552,000.30, 995,328,000.45 and 419,895,705.90 is: 629,843,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,000.30 : 995,328,000.45 = 419,895,705.90 : x
  2. Step 2: Convert to fraction form
    663,552,000.30/995,328,000.45 = 419,895,705.90/x
  3. Step 3: Cross multiply
    663,552,000.30x = 995,328,000.45 × 419,895,705.90
  4. Step 4: Simplify right side
    663,552,000.30x = 417,933,953,350,988,288
  5. Step 5: Solve for x
    x = 417,933,953,350,988,288/663,552,000.30
  6. Step 6: Final answer
    x = 629,843,558.85

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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.