Home / 439,844,807.40-660,139,219.80-181,245,616.80

Finding the Fourth Proportional to 439,844,807.40, 660,139,219.80 and 181,245,616.80

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Solution

The fourth proportional to 439,844,807.40, 660,139,219.80 and 181,245,616.80 is: 272,021,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,844,807.40 : 660,139,219.80 = 181,245,616.80 : x
  2. Step 2: Convert to fraction form
    439,844,807.40/660,139,219.80 = 181,245,616.80/x
  3. Step 3: Cross multiply
    439,844,807.40x = 660,139,219.80 × 181,245,616.80
  4. Step 4: Simplify right side
    439,844,807.40x = 119,647,340,066,521,776
  5. Step 5: Solve for x
    x = 119,647,340,066,521,776/439,844,807.40
  6. Step 6: Final answer
    x = 272,021,717.78

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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.