Home / 708,588,077.60-1,062,882,116.40-499,979,770.40

Finding the Fourth Proportional to 708,588,077.60, 1,062,882,116.40 and 499,979,770.40

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Solution

The fourth proportional to 708,588,077.60, 1,062,882,116.40 and 499,979,770.40 is: 749,969,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,077.60 : 1,062,882,116.40 = 499,979,770.40 : x
  2. Step 2: Convert to fraction form
    708,588,077.60/1,062,882,116.40 = 499,979,770.40/x
  3. Step 3: Cross multiply
    708,588,077.60x = 1,062,882,116.40 × 499,979,770.40
  4. Step 4: Simplify right side
    708,588,077.60x = 531,419,556,519,938,048
  5. Step 5: Solve for x
    x = 531,419,556,519,938,048/708,588,077.60
  6. Step 6: Final answer
    x = 749,969,655.60

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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.