Home / 609,376,370.46-840,936,761.91-330,915,598.62

Finding the Fourth Proportional to 609,376,370.46, 840,936,761.91 and 330,915,598.62

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Solution

The fourth proportional to 609,376,370.46, 840,936,761.91 and 330,915,598.62 is: 456,662,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,376,370.46 : 840,936,761.91 = 330,915,598.62 : x
  2. Step 2: Convert to fraction form
    609,376,370.46/840,936,761.91 = 330,915,598.62/x
  3. Step 3: Cross multiply
    609,376,370.46x = 840,936,761.91 × 330,915,598.62
  4. Step 4: Simplify right side
    609,376,370.46x = 278,279,091,969,012,064
  5. Step 5: Solve for x
    x = 278,279,091,969,012,064/609,376,370.46
  6. Step 6: Final answer
    x = 456,662,098.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.