Home / 302,156,643.10-453,234,964.65-266,443,807.90

Finding the Fourth Proportional to 302,156,643.10, 453,234,964.65 and 266,443,807.90

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Solution

The fourth proportional to 302,156,643.10, 453,234,964.65 and 266,443,807.90 is: 399,665,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,156,643.10 : 453,234,964.65 = 266,443,807.90 : x
  2. Step 2: Convert to fraction form
    302,156,643.10/453,234,964.65 = 266,443,807.90/x
  3. Step 3: Cross multiply
    302,156,643.10x = 453,234,964.65 × 266,443,807.90
  4. Step 4: Simplify right side
    302,156,643.10x = 120,761,649,854,767,888
  5. Step 5: Solve for x
    x = 120,761,649,854,767,888/302,156,643.10
  6. Step 6: Final answer
    x = 399,665,711.85

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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.