Home / 433,029,176.40-649,543,764.60-424,419,832.20

Finding the Fourth Proportional to 433,029,176.40, 649,543,764.60 and 424,419,832.20

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Solution

The fourth proportional to 433,029,176.40, 649,543,764.60 and 424,419,832.20 is: 636,629,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,029,176.40 : 649,543,764.60 = 424,419,832.20 : x
  2. Step 2: Convert to fraction form
    433,029,176.40/649,543,764.60 = 424,419,832.20/x
  3. Step 3: Cross multiply
    433,029,176.40x = 649,543,764.60 × 424,419,832.20
  4. Step 4: Simplify right side
    433,029,176.40x = 275,679,255,578,088,288
  5. Step 5: Solve for x
    x = 275,679,255,578,088,288/433,029,176.40
  6. Step 6: Final answer
    x = 636,629,748.30

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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.