Home / 629,857,319.60-944,785,979.40-572,414,452.40

Finding the Fourth Proportional to 629,857,319.60, 944,785,979.40 and 572,414,452.40

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Solution

The fourth proportional to 629,857,319.60, 944,785,979.40 and 572,414,452.40 is: 858,621,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,319.60 : 944,785,979.40 = 572,414,452.40 : x
  2. Step 2: Convert to fraction form
    629,857,319.60/944,785,979.40 = 572,414,452.40/x
  3. Step 3: Cross multiply
    629,857,319.60x = 944,785,979.40 × 572,414,452.40
  4. Step 4: Simplify right side
    629,857,319.60x = 540,809,149,033,448,640
  5. Step 5: Solve for x
    x = 540,809,149,033,448,640/629,857,319.60
  6. Step 6: Final answer
    x = 858,621,678.60

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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.