Home / 443,607,726.92-665,738,530.68-210,439,169.96

Finding the Fourth Proportional to 443,607,726.92, 665,738,530.68 and 210,439,169.96

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Solution

The fourth proportional to 443,607,726.92, 665,738,530.68 and 210,439,169.96 is: 315,813,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,607,726.92 : 665,738,530.68 = 210,439,169.96 : x
  2. Step 2: Convert to fraction form
    443,607,726.92/665,738,530.68 = 210,439,169.96/x
  3. Step 3: Cross multiply
    443,607,726.92x = 665,738,530.68 × 210,439,169.96
  4. Step 4: Simplify right side
    443,607,726.92x = 140,097,463,806,689,184
  5. Step 5: Solve for x
    x = 140,097,463,806,689,184/443,607,726.92
  6. Step 6: Final answer
    x = 315,813,849.27

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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.