Home / 443,350,233.30-665,025,349.95-280,091,558.10

Finding the Fourth Proportional to 443,350,233.30, 665,025,349.95 and 280,091,558.10

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Solution

The fourth proportional to 443,350,233.30, 665,025,349.95 and 280,091,558.10 is: 420,137,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,350,233.30 : 665,025,349.95 = 280,091,558.10 : x
  2. Step 2: Convert to fraction form
    443,350,233.30/665,025,349.95 = 280,091,558.10/x
  3. Step 3: Cross multiply
    443,350,233.30x = 665,025,349.95 × 280,091,558.10
  4. Step 4: Simplify right side
    443,350,233.30x = 186,267,986,443,493,280
  5. Step 5: Solve for x
    x = 186,267,986,443,493,280/443,350,233.30
  6. Step 6: Final answer
    x = 420,137,337.15

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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.