Home / 629,857,129.60-944,785,694.40-169,778,814.40

Finding the Fourth Proportional to 629,857,129.60, 944,785,694.40 and 169,778,814.40

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Solution

The fourth proportional to 629,857,129.60, 944,785,694.40 and 169,778,814.40 is: 254,668,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,129.60 : 944,785,694.40 = 169,778,814.40 : x
  2. Step 2: Convert to fraction form
    629,857,129.60/944,785,694.40 = 169,778,814.40/x
  3. Step 3: Cross multiply
    629,857,129.60x = 944,785,694.40 × 169,778,814.40
  4. Step 4: Simplify right side
    629,857,129.60x = 160,404,595,057,312,736
  5. Step 5: Solve for x
    x = 160,404,595,057,312,736/629,857,129.60
  6. Step 6: Final answer
    x = 254,668,221.60

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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.