Home / 453,778,477.20-680,667,715.80-443,700,781.20

Finding the Fourth Proportional to 453,778,477.20, 680,667,715.80 and 443,700,781.20

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Solution

The fourth proportional to 453,778,477.20, 680,667,715.80 and 443,700,781.20 is: 665,551,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,778,477.20 : 680,667,715.80 = 443,700,781.20 : x
  2. Step 2: Convert to fraction form
    453,778,477.20/680,667,715.80 = 443,700,781.20/x
  3. Step 3: Cross multiply
    453,778,477.20x = 680,667,715.80 × 443,700,781.20
  4. Step 4: Simplify right side
    453,778,477.20x = 302,012,797,238,079,552
  5. Step 5: Solve for x
    x = 302,012,797,238,079,552/453,778,477.20
  6. Step 6: Final answer
    x = 665,551,171.80

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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.