Home / 629,856,007.20-944,784,010.80-499,759,250.40

Finding the Fourth Proportional to 629,856,007.20, 944,784,010.80 and 499,759,250.40

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Solution

The fourth proportional to 629,856,007.20, 944,784,010.80 and 499,759,250.40 is: 749,638,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,007.20 : 944,784,010.80 = 499,759,250.40 : x
  2. Step 2: Convert to fraction form
    629,856,007.20/944,784,010.80 = 499,759,250.40/x
  3. Step 3: Cross multiply
    629,856,007.20x = 944,784,010.80 × 499,759,250.40
  4. Step 4: Simplify right side
    629,856,007.20x = 472,164,549,027,313,472
  5. Step 5: Solve for x
    x = 472,164,549,027,313,472/629,856,007.20
  6. Step 6: Final answer
    x = 749,638,875.60

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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.