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Finding the Fourth Proportional to 629,858,082.60, 944,787,123.90 and 555,881,495.40

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Solution

The fourth proportional to 629,858,082.60, 944,787,123.90 and 555,881,495.40 is: 833,822,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,082.60 : 944,787,123.90 = 555,881,495.40 : x
  2. Step 2: Convert to fraction form
    629,858,082.60/944,787,123.90 = 555,881,495.40/x
  3. Step 3: Cross multiply
    629,858,082.60x = 944,787,123.90 × 555,881,495.40
  4. Step 4: Simplify right side
    629,858,082.60x = 525,189,679,268,197,056
  5. Step 5: Solve for x
    x = 525,189,679,268,197,056/629,858,082.60
  6. Step 6: Final answer
    x = 833,822,243.10

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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.