Home / 425,458,899.83-638,254,333.97-179,816,568.86

Finding the Fourth Proportional to 425,458,899.83, 638,254,333.97 and 179,816,568.86

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Solution

The fourth proportional to 425,458,899.83, 638,254,333.97 and 179,816,568.86 is: 269,752,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,458,899.83 : 638,254,333.97 = 179,816,568.86 : x
  2. Step 2: Convert to fraction form
    425,458,899.83/638,254,333.97 = 179,816,568.86/x
  3. Step 3: Cross multiply
    425,458,899.83x = 638,254,333.97 × 179,816,568.86
  4. Step 4: Simplify right side
    425,458,899.83x = 114,768,704,390,419,584
  5. Step 5: Solve for x
    x = 114,768,704,390,419,584/425,458,899.83
  6. Step 6: Final answer
    x = 269,752,740.95

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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.