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Finding the Fourth Proportional to 629,856,543.60, 944,784,815.40 and 169,778,228.40

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Solution

The fourth proportional to 629,856,543.60, 944,784,815.40 and 169,778,228.40 is: 254,667,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,543.60 : 944,784,815.40 = 169,778,228.40 : x
  2. Step 2: Convert to fraction form
    629,856,543.60/944,784,815.40 = 169,778,228.40/x
  3. Step 3: Cross multiply
    629,856,543.60x = 944,784,815.40 × 169,778,228.40
  4. Step 4: Simplify right side
    629,856,543.60x = 160,403,892,177,833,024
  5. Step 5: Solve for x
    x = 160,403,892,177,833,024/629,856,543.60
  6. Step 6: Final answer
    x = 254,667,342.60

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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.