Home / 527,473,669.70-791,210,504.55-449,539,487.30

Finding the Fourth Proportional to 527,473,669.70, 791,210,504.55 and 449,539,487.30

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Solution

The fourth proportional to 527,473,669.70, 791,210,504.55 and 449,539,487.30 is: 674,309,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,473,669.70 : 791,210,504.55 = 449,539,487.30 : x
  2. Step 2: Convert to fraction form
    527,473,669.70/791,210,504.55 = 449,539,487.30/x
  3. Step 3: Cross multiply
    527,473,669.70x = 791,210,504.55 × 449,539,487.30
  4. Step 4: Simplify right side
    527,473,669.70x = 355,680,364,561,781,312
  5. Step 5: Solve for x
    x = 355,680,364,561,781,312/527,473,669.70
  6. Step 6: Final answer
    x = 674,309,230.95

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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.