Home / 629,856,012.40-944,784,018.60-384,967,999.60

Finding the Fourth Proportional to 629,856,012.40, 944,784,018.60 and 384,967,999.60

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Solution

The fourth proportional to 629,856,012.40, 944,784,018.60 and 384,967,999.60 is: 577,451,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,012.40 : 944,784,018.60 = 384,967,999.60 : x
  2. Step 2: Convert to fraction form
    629,856,012.40/944,784,018.60 = 384,967,999.60/x
  3. Step 3: Cross multiply
    629,856,012.40x = 944,784,018.60 × 384,967,999.60
  4. Step 4: Simplify right side
    629,856,012.40x = 363,711,613,694,491,200
  5. Step 5: Solve for x
    x = 363,711,613,694,491,200/629,856,012.40
  6. Step 6: Final answer
    x = 577,451,999.40

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Half scale
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Double scale
Find fourth proportional to 629,856,013.40, 944,784,020.10 and 384,968,000.60
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.