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Finding the Fourth Proportional to 629,879,497.60, 944,819,246.40 and 542,203,542.40

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Solution

The fourth proportional to 629,879,497.60, 944,819,246.40 and 542,203,542.40 is: 813,305,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,879,497.60 : 944,819,246.40 = 542,203,542.40 : x
  2. Step 2: Convert to fraction form
    629,879,497.60/944,819,246.40 = 542,203,542.40/x
  3. Step 3: Cross multiply
    629,879,497.60x = 944,819,246.40 × 542,203,542.40
  4. Step 4: Simplify right side
    629,879,497.60x = 512,284,342,325,778,432
  5. Step 5: Solve for x
    x = 512,284,342,325,778,432/629,879,497.60
  6. Step 6: Final answer
    x = 813,305,313.60

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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.