Home / 419,181,122.11-578,473,898.46-231,016,191.13

Finding the Fourth Proportional to 419,181,122.11, 578,473,898.46 and 231,016,191.13

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Solution

The fourth proportional to 419,181,122.11, 578,473,898.46 and 231,016,191.13 is: 318,804,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,181,122.11 : 578,473,898.46 = 231,016,191.13 : x
  2. Step 2: Convert to fraction form
    419,181,122.11/578,473,898.46 = 231,016,191.13/x
  3. Step 3: Cross multiply
    419,181,122.11x = 578,473,898.46 × 231,016,191.13
  4. Step 4: Simplify right side
    419,181,122.11x = 133,636,836,690,351,584
  5. Step 5: Solve for x
    x = 133,636,836,690,351,584/419,181,122.11
  6. Step 6: Final answer
    x = 318,804,520.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.