Home / 629,857,126.60-944,785,689.90-169,778,811.40

Finding the Fourth Proportional to 629,857,126.60, 944,785,689.90 and 169,778,811.40

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Solution

The fourth proportional to 629,857,126.60, 944,785,689.90 and 169,778,811.40 is: 254,668,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,126.60 : 944,785,689.90 = 169,778,811.40 : x
  2. Step 2: Convert to fraction form
    629,857,126.60/944,785,689.90 = 169,778,811.40/x
  3. Step 3: Cross multiply
    629,857,126.60x = 944,785,689.90 × 169,778,811.40
  4. Step 4: Simplify right side
    629,857,126.60x = 160,404,591,458,950,976
  5. Step 5: Solve for x
    x = 160,404,591,458,950,976/629,857,126.60
  6. Step 6: Final answer
    x = 254,668,217.10

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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.