Home / 3,987,154,644.66-5,502,384,425.25-2,203,123,657.14

Finding the Fourth Proportional to 3,987,154,644.66, 5,502,384,425.25 and 2,203,123,657.14

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Solution

The fourth proportional to 3,987,154,644.66, 5,502,384,425.25 and 2,203,123,657.14 is: 3,040,371,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,154,644.66 : 5,502,384,425.25 = 2,203,123,657.14 : x
  2. Step 2: Convert to fraction form
    3,987,154,644.66/5,502,384,425.25 = 2,203,123,657.14/x
  3. Step 3: Cross multiply
    3,987,154,644.66x = 5,502,384,425.25 × 2,203,123,657.14
  4. Step 4: Simplify right side
    3,987,154,644.66x = 12,122,433,297,946,955,776
  5. Step 5: Solve for x
    x = 12,122,433,297,946,955,776/3,987,154,644.66
  6. Step 6: Final answer
    x = 3,040,371,989.13

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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.