Home / 1,261,807,087.20-1,741,388,037.12-726,122,957.28

Finding the Fourth Proportional to 1,261,807,087.20, 1,741,388,037.12 and 726,122,957.28

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Solution

The fourth proportional to 1,261,807,087.20, 1,741,388,037.12 and 726,122,957.28 is: 1,002,103,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,807,087.20 : 1,741,388,037.12 = 726,122,957.28 : x
  2. Step 2: Convert to fraction form
    1,261,807,087.20/1,741,388,037.12 = 726,122,957.28/x
  3. Step 3: Cross multiply
    1,261,807,087.20x = 1,741,388,037.12 × 726,122,957.28
  4. Step 4: Simplify right side
    1,261,807,087.20x = 1,264,461,831,285,588,736
  5. Step 5: Solve for x
    x = 1,264,461,831,285,588,736/1,261,807,087.20
  6. Step 6: Final answer
    x = 1,002,103,922.31

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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.