Home / 549,123,214.64-757,836,771.03-311,010,757.29

Finding the Fourth Proportional to 549,123,214.64, 757,836,771.03 and 311,010,757.29

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Solution

The fourth proportional to 549,123,214.64, 757,836,771.03 and 311,010,757.29 is: 429,221,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,123,214.64 : 757,836,771.03 = 311,010,757.29 : x
  2. Step 2: Convert to fraction form
    549,123,214.64/757,836,771.03 = 311,010,757.29/x
  3. Step 3: Cross multiply
    549,123,214.64x = 757,836,771.03 × 311,010,757.29
  4. Step 4: Simplify right side
    549,123,214.64x = 235,695,388,060,248,640
  5. Step 5: Solve for x
    x = 235,695,388,060,248,640/549,123,214.64
  6. Step 6: Final answer
    x = 429,221,314.59

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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.