Home / 708,781,447.40-1,063,172,171.10-699,226,298.60

Finding the Fourth Proportional to 708,781,447.40, 1,063,172,171.10 and 699,226,298.60

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Solution

The fourth proportional to 708,781,447.40, 1,063,172,171.10 and 699,226,298.60 is: 1,048,839,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,781,447.40 : 1,063,172,171.10 = 699,226,298.60 : x
  2. Step 2: Convert to fraction form
    708,781,447.40/1,063,172,171.10 = 699,226,298.60/x
  3. Step 3: Cross multiply
    708,781,447.40x = 1,063,172,171.10 × 699,226,298.60
  4. Step 4: Simplify right side
    708,781,447.40x = 743,397,941,972,778,880
  5. Step 5: Solve for x
    x = 743,397,941,972,778,880/708,781,447.40
  6. Step 6: Final answer
    x = 1,048,839,447.90

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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.