Home / 629,856,750.40-944,785,125.60-169,841,420.80

Finding the Fourth Proportional to 629,856,750.40, 944,785,125.60 and 169,841,420.80

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Solution

The fourth proportional to 629,856,750.40, 944,785,125.60 and 169,841,420.80 is: 254,762,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,750.40 : 944,785,125.60 = 169,841,420.80 : x
  2. Step 2: Convert to fraction form
    629,856,750.40/944,785,125.60 = 169,841,420.80/x
  3. Step 3: Cross multiply
    629,856,750.40x = 944,785,125.60 × 169,841,420.80
  4. Step 4: Simplify right side
    629,856,750.40x = 160,463,648,082,610,464
  5. Step 5: Solve for x
    x = 160,463,648,082,610,464/629,856,750.40
  6. Step 6: Final answer
    x = 254,762,131.20

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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.