Home / 463,420,686.33-639,532,079.01-251,727,450.39

Finding the Fourth Proportional to 463,420,686.33, 639,532,079.01 and 251,727,450.39

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Solution

The fourth proportional to 463,420,686.33, 639,532,079.01 and 251,727,450.39 is: 347,390,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,420,686.33 : 639,532,079.01 = 251,727,450.39 : x
  2. Step 2: Convert to fraction form
    463,420,686.33/639,532,079.01 = 251,727,450.39/x
  3. Step 3: Cross multiply
    463,420,686.33x = 639,532,079.01 × 251,727,450.39
  4. Step 4: Simplify right side
    463,420,686.33x = 160,987,779,691,803,328
  5. Step 5: Solve for x
    x = 160,987,779,691,803,328/463,420,686.33
  6. Step 6: Final answer
    x = 347,390,145.59

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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.