Home / 549,123,188.07-757,836,734.41-311,010,730.86

Finding the Fourth Proportional to 549,123,188.07, 757,836,734.41 and 311,010,730.86

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Solution

The fourth proportional to 549,123,188.07, 757,836,734.41 and 311,010,730.86 is: 429,221,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,123,188.07 : 757,836,734.41 = 311,010,730.86 : x
  2. Step 2: Convert to fraction form
    549,123,188.07/757,836,734.41 = 311,010,730.86/x
  3. Step 3: Cross multiply
    549,123,188.07x = 757,836,734.41 × 311,010,730.86
  4. Step 4: Simplify right side
    549,123,188.07x = 235,695,356,640,926,112
  5. Step 5: Solve for x
    x = 235,695,356,640,926,112/549,123,188.07
  6. Step 6: Final answer
    x = 429,221,278.14

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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.