Home / 458,303,780.22-687,448,939.17-113,257,397.94

Finding the Fourth Proportional to 458,303,780.22, 687,448,939.17 and 113,257,397.94

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Solution

The fourth proportional to 458,303,780.22, 687,448,939.17 and 113,257,397.94 is: 169,884,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,303,780.22 : 687,448,939.17 = 113,257,397.94 : x
  2. Step 2: Convert to fraction form
    458,303,780.22/687,448,939.17 = 113,257,397.94/x
  3. Step 3: Cross multiply
    458,303,780.22x = 687,448,939.17 × 113,257,397.94
  4. Step 4: Simplify right side
    458,303,780.22x = 77,858,678,067,007,536
  5. Step 5: Solve for x
    x = 77,858,678,067,007,536/458,303,780.22
  6. Step 6: Final answer
    x = 169,884,433.49

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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.