Home / 527,638,581.05-790,650,773.78-282,030,170.45

Finding the Fourth Proportional to 527,638,581.05, 790,650,773.78 and 282,030,170.45

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Solution

The fourth proportional to 527,638,581.05, 790,650,773.78 and 282,030,170.45 is: 422,613,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,638,581.05 : 790,650,773.78 = 282,030,170.45 : x
  2. Step 2: Convert to fraction form
    527,638,581.05/790,650,773.78 = 282,030,170.45/x
  3. Step 3: Cross multiply
    527,638,581.05x = 790,650,773.78 × 282,030,170.45
  4. Step 4: Simplify right side
    527,638,581.05x = 222,987,372,490,234,368
  5. Step 5: Solve for x
    x = 222,987,372,490,234,368/527,638,581.05
  6. Step 6: Final answer
    x = 422,613,850.66

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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.