Home / 1,545,904,579.80-2,318,062,551.30-455,245,930.20

Finding the Fourth Proportional to 1,545,904,579.80, 2,318,062,551.30 and 455,245,930.20

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Solution

The fourth proportional to 1,545,904,579.80, 2,318,062,551.30 and 455,245,930.20 is: 682,634,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,904,579.80 : 2,318,062,551.30 = 455,245,930.20 : x
  2. Step 2: Convert to fraction form
    1,545,904,579.80/2,318,062,551.30 = 455,245,930.20/x
  3. Step 3: Cross multiply
    1,545,904,579.80x = 2,318,062,551.30 × 455,245,930.20
  4. Step 4: Simplify right side
    1,545,904,579.80x = 1,055,288,542,428,353,792
  5. Step 5: Solve for x
    x = 1,055,288,542,428,353,792/1,545,904,579.80
  6. Step 6: Final answer
    x = 682,634,980.33

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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.