Home / 629,860,743.60-944,791,115.40-456,398,401.20

Finding the Fourth Proportional to 629,860,743.60, 944,791,115.40 and 456,398,401.20

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Solution

The fourth proportional to 629,860,743.60, 944,791,115.40 and 456,398,401.20 is: 684,597,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,860,743.60 : 944,791,115.40 = 456,398,401.20 : x
  2. Step 2: Convert to fraction form
    629,860,743.60/944,791,115.40 = 456,398,401.20/x
  3. Step 3: Cross multiply
    629,860,743.60x = 944,791,115.40 × 456,398,401.20
  4. Step 4: Simplify right side
    629,860,743.60x = 431,201,154,536,524,672
  5. Step 5: Solve for x
    x = 431,201,154,536,524,672/629,860,743.60
  6. Step 6: Final answer
    x = 684,597,601.80

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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.