Home / 527,429,700.60-791,427,986.10-220,752,814.20

Finding the Fourth Proportional to 527,429,700.60, 791,427,986.10 and 220,752,814.20

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Solution

The fourth proportional to 527,429,700.60, 791,427,986.10 and 220,752,814.20 is: 331,247,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,429,700.60 : 791,427,986.10 = 220,752,814.20 : x
  2. Step 2: Convert to fraction form
    527,429,700.60/791,427,986.10 = 220,752,814.20/x
  3. Step 3: Cross multiply
    527,429,700.60x = 791,427,986.10 × 220,752,814.20
  4. Step 4: Simplify right side
    527,429,700.60x = 174,709,955,168,213,472
  5. Step 5: Solve for x
    x = 174,709,955,168,213,472/527,429,700.60
  6. Step 6: Final answer
    x = 331,247,851.55

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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.