Home / 1,261,807,082.20-1,741,388,030.22-726,122,952.28

Finding the Fourth Proportional to 1,261,807,082.20, 1,741,388,030.22 and 726,122,952.28

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Solution

The fourth proportional to 1,261,807,082.20, 1,741,388,030.22 and 726,122,952.28 is: 1,002,103,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,807,082.20 : 1,741,388,030.22 = 726,122,952.28 : x
  2. Step 2: Convert to fraction form
    1,261,807,082.20/1,741,388,030.22 = 726,122,952.28/x
  3. Step 3: Cross multiply
    1,261,807,082.20x = 1,741,388,030.22 × 726,122,952.28
  4. Step 4: Simplify right side
    1,261,807,082.20x = 1,264,461,817,568,400,128
  5. Step 5: Solve for x
    x = 1,264,461,817,568,400,128/1,261,807,082.20
  6. Step 6: Final answer
    x = 1,002,103,915.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.