Home / 943,490,960.20-1,415,236,440.30-667,991,945.80

Finding the Fourth Proportional to 943,490,960.20, 1,415,236,440.30 and 667,991,945.80

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Solution

The fourth proportional to 943,490,960.20, 1,415,236,440.30 and 667,991,945.80 is: 1,001,987,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,490,960.20 : 1,415,236,440.30 = 667,991,945.80 : x
  2. Step 2: Convert to fraction form
    943,490,960.20/1,415,236,440.30 = 667,991,945.80/x
  3. Step 3: Cross multiply
    943,490,960.20x = 1,415,236,440.30 × 667,991,945.80
  4. Step 4: Simplify right side
    943,490,960.20x = 945,366,543,523,062,400
  5. Step 5: Solve for x
    x = 945,366,543,523,062,400/943,490,960.20
  6. Step 6: Final answer
    x = 1,001,987,918.70

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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.