Home / 1,221,257,107.04-1,832,660,474.46-521,754,513.04

Finding the Fourth Proportional to 1,221,257,107.04, 1,832,660,474.46 and 521,754,513.04

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Solution

The fourth proportional to 1,221,257,107.04, 1,832,660,474.46 and 521,754,513.04 is: 782,962,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,257,107.04 : 1,832,660,474.46 = 521,754,513.04 : x
  2. Step 2: Convert to fraction form
    1,221,257,107.04/1,832,660,474.46 = 521,754,513.04/x
  3. Step 3: Cross multiply
    1,221,257,107.04x = 1,832,660,474.46 × 521,754,513.04
  4. Step 4: Simplify right side
    1,221,257,107.04x = 956,198,873,419,892,992
  5. Step 5: Solve for x
    x = 956,198,873,419,892,992/1,221,257,107.04
  6. Step 6: Final answer
    x = 782,962,791.30

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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.