Home / 543,447,376.60-813,976,671.30-327,660,266.20

Finding the Fourth Proportional to 543,447,376.60, 813,976,671.30 and 327,660,266.20

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Solution

The fourth proportional to 543,447,376.60, 813,976,671.30 and 327,660,266.20 is: 490,770,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,447,376.60 : 813,976,671.30 = 327,660,266.20 : x
  2. Step 2: Convert to fraction form
    543,447,376.60/813,976,671.30 = 327,660,266.20/x
  3. Step 3: Cross multiply
    543,447,376.60x = 813,976,671.30 × 327,660,266.20
  4. Step 4: Simplify right side
    543,447,376.60x = 266,707,812,798,747,872
  5. Step 5: Solve for x
    x = 266,707,812,798,747,872/543,447,376.60
  6. Step 6: Final answer
    x = 490,770,264.58

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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.