Home / 1,041,857,957.32-1,561,598,168.04-419,675,067.24

Finding the Fourth Proportional to 1,041,857,957.32, 1,561,598,168.04 and 419,675,067.24

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Solution

The fourth proportional to 1,041,857,957.32, 1,561,598,168.04 and 419,675,067.24 is: 629,033,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,857,957.32 : 1,561,598,168.04 = 419,675,067.24 : x
  2. Step 2: Convert to fraction form
    1,041,857,957.32/1,561,598,168.04 = 419,675,067.24/x
  3. Step 3: Cross multiply
    1,041,857,957.32x = 1,561,598,168.04 × 419,675,067.24
  4. Step 4: Simplify right side
    1,041,857,957.32x = 655,363,816,174,047,872
  5. Step 5: Solve for x
    x = 655,363,816,174,047,872/1,041,857,957.32
  6. Step 6: Final answer
    x = 629,033,748.38

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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.