Home / 629,856,670.40-944,785,005.60-619,653,003.20

Finding the Fourth Proportional to 629,856,670.40, 944,785,005.60 and 619,653,003.20

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Solution

The fourth proportional to 629,856,670.40, 944,785,005.60 and 619,653,003.20 is: 929,479,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,670.40 : 944,785,005.60 = 619,653,003.20 : x
  2. Step 2: Convert to fraction form
    629,856,670.40/944,785,005.60 = 619,653,003.20/x
  3. Step 3: Cross multiply
    629,856,670.40x = 944,785,005.60 × 619,653,003.20
  4. Step 4: Simplify right side
    629,856,670.40x = 585,438,866,098,368,896
  5. Step 5: Solve for x
    x = 585,438,866,098,368,896/629,856,670.40
  6. Step 6: Final answer
    x = 929,479,504.80

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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.