Home / 400,660,412.65-552,910,950.11-224,449,648.39

Finding the Fourth Proportional to 400,660,412.65, 552,910,950.11 and 224,449,648.39

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Solution

The fourth proportional to 400,660,412.65, 552,910,950.11 and 224,449,648.39 is: 309,740,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,660,412.65 : 552,910,950.11 = 224,449,648.39 : x
  2. Step 2: Convert to fraction form
    400,660,412.65/552,910,950.11 = 224,449,648.39/x
  3. Step 3: Cross multiply
    400,660,412.65x = 552,910,950.11 × 224,449,648.39
  4. Step 4: Simplify right side
    400,660,412.65x = 124,100,668,342,863,376
  5. Step 5: Solve for x
    x = 124,100,668,342,863,376/400,660,412.65
  6. Step 6: Final answer
    x = 309,740,279.86

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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.