Home / 440,322,432.80-660,481,024.80-112,797,312.80

Finding the Fourth Proportional to 440,322,432.80, 660,481,024.80 and 112,797,312.80

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Solution

The fourth proportional to 440,322,432.80, 660,481,024.80 and 112,797,312.80 is: 169,195,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,322,432.80 : 660,481,024.80 = 112,797,312.80 : x
  2. Step 2: Convert to fraction form
    440,322,432.80/660,481,024.80 = 112,797,312.80/x
  3. Step 3: Cross multiply
    440,322,432.80x = 660,481,024.80 × 112,797,312.80
  4. Step 4: Simplify right side
    440,322,432.80x = 74,500,484,752,830,144
  5. Step 5: Solve for x
    x = 74,500,484,752,830,144/440,322,432.80
  6. Step 6: Final answer
    x = 169,195,296.91

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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.