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Finding the Fourth Proportional to 250,484,505.76, 375,845,499.12 and 121,019,550.88

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Solution

The fourth proportional to 250,484,505.76, 375,845,499.12 and 121,019,550.88 is: 181,586,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,484,505.76 : 375,845,499.12 = 121,019,550.88 : x
  2. Step 2: Convert to fraction form
    250,484,505.76/375,845,499.12 = 121,019,550.88/x
  3. Step 3: Cross multiply
    250,484,505.76x = 375,845,499.12 × 121,019,550.88
  4. Step 4: Simplify right side
    250,484,505.76x = 45,484,653,503,771,832
  5. Step 5: Solve for x
    x = 45,484,653,503,771,832/250,484,505.76
  6. Step 6: Final answer
    x = 181,586,694.82

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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.