Home / 527,473,670.20-791,210,505.30-449,539,487.80

Finding the Fourth Proportional to 527,473,670.20, 791,210,505.30 and 449,539,487.80

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Solution

The fourth proportional to 527,473,670.20, 791,210,505.30 and 449,539,487.80 is: 674,309,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,473,670.20 : 791,210,505.30 = 449,539,487.80 : x
  2. Step 2: Convert to fraction form
    527,473,670.20/791,210,505.30 = 449,539,487.80/x
  3. Step 3: Cross multiply
    527,473,670.20x = 791,210,505.30 × 449,539,487.80
  4. Step 4: Simplify right side
    527,473,670.20x = 355,680,365,294,541,184
  5. Step 5: Solve for x
    x = 355,680,365,294,541,184/527,473,670.20
  6. Step 6: Final answer
    x = 674,309,231.70

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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.