Home / 549,123,002.60-757,836,479.25-311,010,545.43

Finding the Fourth Proportional to 549,123,002.60, 757,836,479.25 and 311,010,545.43

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Solution

The fourth proportional to 549,123,002.60, 757,836,479.25 and 311,010,545.43 is: 429,221,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,123,002.60 : 757,836,479.25 = 311,010,545.43 : x
  2. Step 2: Convert to fraction form
    549,123,002.60/757,836,479.25 = 311,010,545.43/x
  3. Step 3: Cross multiply
    549,123,002.60x = 757,836,479.25 × 311,010,545.43
  4. Step 4: Simplify right side
    549,123,002.60x = 235,695,136,758,293,376
  5. Step 5: Solve for x
    x = 235,695,136,758,293,376/549,123,002.60
  6. Step 6: Final answer
    x = 429,221,022.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.