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Finding the Fourth Proportional to 629,857,346.10, 944,786,019.15 and 572,414,478.90

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Solution

The fourth proportional to 629,857,346.10, 944,786,019.15 and 572,414,478.90 is: 858,621,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,346.10 : 944,786,019.15 = 572,414,478.90 : x
  2. Step 2: Convert to fraction form
    629,857,346.10/944,786,019.15 = 572,414,478.90/x
  3. Step 3: Cross multiply
    629,857,346.10x = 944,786,019.15 × 572,414,478.90
  4. Step 4: Simplify right side
    629,857,346.10x = 540,809,196,823,752,640
  5. Step 5: Solve for x
    x = 540,809,196,823,752,640/629,857,346.10
  6. Step 6: Final answer
    x = 858,621,718.35

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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.