Home / 660,844,612.62-991,159,183.72-194,396,949.40

Finding the Fourth Proportional to 660,844,612.62, 991,159,183.72 and 194,396,949.40

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Solution

The fourth proportional to 660,844,612.62, 991,159,183.72 and 194,396,949.40 is: 291,563,732.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,844,612.62 : 991,159,183.72 = 194,396,949.40 : x
  2. Step 2: Convert to fraction form
    660,844,612.62/991,159,183.72 = 194,396,949.40/x
  3. Step 3: Cross multiply
    660,844,612.62x = 991,159,183.72 × 194,396,949.40
  4. Step 4: Simplify right side
    660,844,612.62x = 192,678,321,684,962,144
  5. Step 5: Solve for x
    x = 192,678,321,684,962,144/660,844,612.62
  6. Step 6: Final answer
    x = 291,563,732.24

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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.