Home / 1,545,904,616.80-2,318,062,606.80-455,245,967.20

Finding the Fourth Proportional to 1,545,904,616.80, 2,318,062,606.80 and 455,245,967.20

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Solution

The fourth proportional to 1,545,904,616.80, 2,318,062,606.80 and 455,245,967.20 is: 682,635,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,904,616.80 : 2,318,062,606.80 = 455,245,967.20 : x
  2. Step 2: Convert to fraction form
    1,545,904,616.80/2,318,062,606.80 = 455,245,967.20/x
  3. Step 3: Cross multiply
    1,545,904,616.80x = 2,318,062,606.80 × 455,245,967.20
  4. Step 4: Simplify right side
    1,545,904,616.80x = 1,055,288,653,462,819,328
  5. Step 5: Solve for x
    x = 1,055,288,653,462,819,328/1,545,904,616.80
  6. Step 6: Final answer
    x = 682,635,035.82

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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.