Home / 549,123,207.86-757,836,761.70-311,010,750.55

Finding the Fourth Proportional to 549,123,207.86, 757,836,761.70 and 311,010,750.55

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Solution

The fourth proportional to 549,123,207.86, 757,836,761.70 and 311,010,750.55 is: 429,221,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,123,207.86 : 757,836,761.70 = 311,010,750.55 : x
  2. Step 2: Convert to fraction form
    549,123,207.86/757,836,761.70 = 311,010,750.55/x
  3. Step 3: Cross multiply
    549,123,207.86x = 757,836,761.70 × 311,010,750.55
  4. Step 4: Simplify right side
    549,123,207.86x = 235,695,380,048,553,024
  5. Step 5: Solve for x
    x = 235,695,380,048,553,024/549,123,207.86
  6. Step 6: Final answer
    x = 429,221,305.30

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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.