Home / 433,102,002.30-649,653,003.45-331,065,330.30

Finding the Fourth Proportional to 433,102,002.30, 649,653,003.45 and 331,065,330.30

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Solution

The fourth proportional to 433,102,002.30, 649,653,003.45 and 331,065,330.30 is: 496,597,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,102,002.30 : 649,653,003.45 = 331,065,330.30 : x
  2. Step 2: Convert to fraction form
    433,102,002.30/649,653,003.45 = 331,065,330.30/x
  3. Step 3: Cross multiply
    433,102,002.30x = 649,653,003.45 × 331,065,330.30
  4. Step 4: Simplify right side
    433,102,002.30x = 215,077,586,167,561,312
  5. Step 5: Solve for x
    x = 215,077,586,167,561,312/433,102,002.30
  6. Step 6: Final answer
    x = 496,597,995.45

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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.