Home / 285,474,199,232.20-428,387,430,345.21-132,290,536,766.17

Finding the Fourth Proportional to 285,474,199,232.20, 428,387,430,345.21 and 132,290,536,766.17

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Solution

The fourth proportional to 285,474,199,232.20, 428,387,430,345.21 and 132,290,536,766.17 is: 198,517,425,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,474,199,232.20 : 428,387,430,345.21 = 132,290,536,766.17 : x
  2. Step 2: Convert to fraction form
    285,474,199,232.20/428,387,430,345.21 = 132,290,536,766.17/x
  3. Step 3: Cross multiply
    285,474,199,232.20x = 428,387,430,345.21 × 132,290,536,766.17
  4. Step 4: Simplify right side
    285,474,199,232.20x = 56,671,603,104,248,097,669,120
  5. Step 5: Solve for x
    x = 56,671,603,104,248,097,669,120/285,474,199,232.20
  6. Step 6: Final answer
    x = 198,517,425,591.07

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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.