Home / 396,832,589.51-595,272,051.78-120,492,818.87

Finding the Fourth Proportional to 396,832,589.51, 595,272,051.78 and 120,492,818.87

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Solution

The fourth proportional to 396,832,589.51, 595,272,051.78 and 120,492,818.87 is: 180,746,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,832,589.51 : 595,272,051.78 = 120,492,818.87 : x
  2. Step 2: Convert to fraction form
    396,832,589.51/595,272,051.78 = 120,492,818.87/x
  3. Step 3: Cross multiply
    396,832,589.51x = 595,272,051.78 × 120,492,818.87
  4. Step 4: Simplify right side
    396,832,589.51x = 71,726,007,510,072,592
  5. Step 5: Solve for x
    x = 71,726,007,510,072,592/396,832,589.51
  6. Step 6: Final answer
    x = 180,746,262.80

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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.