Home / 433,102,642.80-649,653,964.20-331,065,970.80

Finding the Fourth Proportional to 433,102,642.80, 649,653,964.20 and 331,065,970.80

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Solution

The fourth proportional to 433,102,642.80, 649,653,964.20 and 331,065,970.80 is: 496,598,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,102,642.80 : 649,653,964.20 = 331,065,970.80 : x
  2. Step 2: Convert to fraction form
    433,102,642.80/649,653,964.20 = 331,065,970.80/x
  3. Step 3: Cross multiply
    433,102,642.80x = 649,653,964.20 × 331,065,970.80
  4. Step 4: Simplify right side
    433,102,642.80x = 215,078,320,341,941,472
  5. Step 5: Solve for x
    x = 215,078,320,341,941,472/433,102,642.80
  6. Step 6: Final answer
    x = 496,598,956.20

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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.