Home / 439,844,573.40-660,138,868.80-181,245,382.80

Finding the Fourth Proportional to 439,844,573.40, 660,138,868.80 and 181,245,382.80

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Solution

The fourth proportional to 439,844,573.40, 660,138,868.80 and 181,245,382.80 is: 272,021,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,844,573.40 : 660,138,868.80 = 181,245,382.80 : x
  2. Step 2: Convert to fraction form
    439,844,573.40/660,138,868.80 = 181,245,382.80/x
  3. Step 3: Cross multiply
    439,844,573.40x = 660,138,868.80 × 181,245,382.80
  4. Step 4: Simplify right side
    439,844,573.40x = 119,647,121,976,814,976
  5. Step 5: Solve for x
    x = 119,647,121,976,814,976/439,844,573.40
  6. Step 6: Final answer
    x = 272,021,366.67

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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.