Home / 943,490,517.70-1,415,235,776.55-667,991,503.30

Finding the Fourth Proportional to 943,490,517.70, 1,415,235,776.55 and 667,991,503.30

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Solution

The fourth proportional to 943,490,517.70, 1,415,235,776.55 and 667,991,503.30 is: 1,001,987,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,490,517.70 : 1,415,235,776.55 = 667,991,503.30 : x
  2. Step 2: Convert to fraction form
    943,490,517.70/1,415,235,776.55 = 667,991,503.30/x
  3. Step 3: Cross multiply
    943,490,517.70x = 1,415,235,776.55 × 667,991,503.30
  4. Step 4: Simplify right side
    943,490,517.70x = 945,365,473,901,577,344
  5. Step 5: Solve for x
    x = 945,365,473,901,577,344/943,490,517.70
  6. Step 6: Final answer
    x = 1,001,987,254.95

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1.5x scale

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.