Home / 1,361,148,471.20-2,044,186,143.60-1,191,843,178.40

Finding the Fourth Proportional to 1,361,148,471.20, 2,044,186,143.60 and 1,191,843,178.40

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Solution

The fourth proportional to 1,361,148,471.20, 2,044,186,143.60 and 1,191,843,178.40 is: 1,789,921,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,148,471.20 : 2,044,186,143.60 = 1,191,843,178.40 : x
  2. Step 2: Convert to fraction form
    1,361,148,471.20/2,044,186,143.60 = 1,191,843,178.40/x
  3. Step 3: Cross multiply
    1,361,148,471.20x = 2,044,186,143.60 × 1,191,843,178.40
  4. Step 4: Simplify right side
    1,361,148,471.20x = 2,436,349,310,629,463,040
  5. Step 5: Solve for x
    x = 2,436,349,310,629,463,040/1,361,148,471.20
  6. Step 6: Final answer
    x = 1,789,921,791.91

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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.