Home / 373,743,007.20-560,614,510.80-220,687,999.20

Finding the Fourth Proportional to 373,743,007.20, 560,614,510.80 and 220,687,999.20

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Solution

The fourth proportional to 373,743,007.20, 560,614,510.80 and 220,687,999.20 is: 331,031,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,743,007.20 : 560,614,510.80 = 220,687,999.20 : x
  2. Step 2: Convert to fraction form
    373,743,007.20/560,614,510.80 = 220,687,999.20/x
  3. Step 3: Cross multiply
    373,743,007.20x = 560,614,510.80 × 220,687,999.20
  4. Step 4: Simplify right side
    373,743,007.20x = 123,720,894,710,938,768
  5. Step 5: Solve for x
    x = 123,720,894,710,938,768/373,743,007.20
  6. Step 6: Final answer
    x = 331,031,998.80

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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.