Home / 383,238,082.65-574,857,123.98-137,712,340.65

Finding the Fourth Proportional to 383,238,082.65, 574,857,123.98 and 137,712,340.65

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Solution

The fourth proportional to 383,238,082.65, 574,857,123.98 and 137,712,340.65 is: 206,568,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,238,082.65 : 574,857,123.98 = 137,712,340.65 : x
  2. Step 2: Convert to fraction form
    383,238,082.65/574,857,123.98 = 137,712,340.65/x
  3. Step 3: Cross multiply
    383,238,082.65x = 574,857,123.98 × 137,712,340.65
  4. Step 4: Simplify right side
    383,238,082.65x = 79,164,920,081,924,496
  5. Step 5: Solve for x
    x = 79,164,920,081,924,496/383,238,082.65
  6. Step 6: Final answer
    x = 206,568,510.98

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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.