Home / 399,315,200.28-598,985,002.68-136,996,071.48

Finding the Fourth Proportional to 399,315,200.28, 598,985,002.68 and 136,996,071.48

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Solution

The fourth proportional to 399,315,200.28, 598,985,002.68 and 136,996,071.48 is: 205,498,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,315,200.28 : 598,985,002.68 = 136,996,071.48 : x
  2. Step 2: Convert to fraction form
    399,315,200.28/598,985,002.68 = 136,996,071.48/x
  3. Step 3: Cross multiply
    399,315,200.28x = 598,985,002.68 × 136,996,071.48
  4. Step 4: Simplify right side
    399,315,200.28x = 82,058,592,242,597,264
  5. Step 5: Solve for x
    x = 82,058,592,242,597,264/399,315,200.28
  6. Step 6: Final answer
    x = 205,498,293.54

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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.