Home / 442,844,382.20-664,266,573.30-289,962,001.40

Finding the Fourth Proportional to 442,844,382.20, 664,266,573.30 and 289,962,001.40

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Solution

The fourth proportional to 442,844,382.20, 664,266,573.30 and 289,962,001.40 is: 434,943,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,844,382.20 : 664,266,573.30 = 289,962,001.40 : x
  2. Step 2: Convert to fraction form
    442,844,382.20/664,266,573.30 = 289,962,001.40/x
  3. Step 3: Cross multiply
    442,844,382.20x = 664,266,573.30 × 289,962,001.40
  4. Step 4: Simplify right side
    442,844,382.20x = 192,612,065,057,187,776
  5. Step 5: Solve for x
    x = 192,612,065,057,187,776/442,844,382.20
  6. Step 6: Final answer
    x = 434,943,002.10

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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.