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Finding the Fourth Proportional to 629,856,564.40, 944,784,846.60 and 527,819,892.40

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Solution

The fourth proportional to 629,856,564.40, 944,784,846.60 and 527,819,892.40 is: 791,729,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,564.40 : 944,784,846.60 = 527,819,892.40 : x
  2. Step 2: Convert to fraction form
    629,856,564.40/944,784,846.60 = 527,819,892.40/x
  3. Step 3: Cross multiply
    629,856,564.40x = 944,784,846.60 × 527,819,892.40
  4. Step 4: Simplify right side
    629,856,564.40x = 498,676,236,073,562,496
  5. Step 5: Solve for x
    x = 498,676,236,073,562,496/629,856,564.40
  6. Step 6: Final answer
    x = 791,729,838.60

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Double scale
Find fourth proportional to 629,856,565.40, 944,784,848.10 and 527,819,893.40
Similar ratio
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1.5x scale

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.