Home / 340,006,642.20-509,159,657.70-271,982,194.20

Finding the Fourth Proportional to 340,006,642.20, 509,159,657.70 and 271,982,194.20

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Solution

The fourth proportional to 340,006,642.20, 509,159,657.70 and 271,982,194.20 is: 407,293,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,006,642.20 : 509,159,657.70 = 271,982,194.20 : x
  2. Step 2: Convert to fraction form
    340,006,642.20/509,159,657.70 = 271,982,194.20/x
  3. Step 3: Cross multiply
    340,006,642.20x = 509,159,657.70 × 271,982,194.20
  4. Step 4: Simplify right side
    340,006,642.20x = 138,482,360,899,366,912
  5. Step 5: Solve for x
    x = 138,482,360,899,366,912/340,006,642.20
  6. Step 6: Final answer
    x = 407,293,104.64

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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.