Home / 629,861,410.40-944,792,115.60-572,465,782.40

Finding the Fourth Proportional to 629,861,410.40, 944,792,115.60 and 572,465,782.40

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Solution

The fourth proportional to 629,861,410.40, 944,792,115.60 and 572,465,782.40 is: 858,698,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,410.40 : 944,792,115.60 = 572,465,782.40 : x
  2. Step 2: Convert to fraction form
    629,861,410.40/944,792,115.60 = 572,465,782.40/x
  3. Step 3: Cross multiply
    629,861,410.40x = 944,792,115.60 × 572,465,782.40
  4. Step 4: Simplify right side
    629,861,410.40x = 540,861,157,662,305,216
  5. Step 5: Solve for x
    x = 540,861,157,662,305,216/629,861,410.40
  6. Step 6: Final answer
    x = 858,698,673.60

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Double scale
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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.