Home / 443,350,233.80-665,025,350.70-280,091,558.60

Finding the Fourth Proportional to 443,350,233.80, 665,025,350.70 and 280,091,558.60

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Solution

The fourth proportional to 443,350,233.80, 665,025,350.70 and 280,091,558.60 is: 420,137,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,350,233.80 : 665,025,350.70 = 280,091,558.60 : x
  2. Step 2: Convert to fraction form
    443,350,233.80/665,025,350.70 = 280,091,558.60/x
  3. Step 3: Cross multiply
    443,350,233.80x = 665,025,350.70 × 280,091,558.60
  4. Step 4: Simplify right side
    443,350,233.80x = 186,267,986,986,074,624
  5. Step 5: Solve for x
    x = 186,267,986,986,074,624/443,350,233.80
  6. Step 6: Final answer
    x = 420,137,337.90

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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.