Home / 285,474,199,232.94-428,387,430,346.32-132,290,536,766.91

Finding the Fourth Proportional to 285,474,199,232.94, 428,387,430,346.32 and 132,290,536,766.91

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Solution

The fourth proportional to 285,474,199,232.94, 428,387,430,346.32 and 132,290,536,766.91 is: 198,517,425,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,474,199,232.94 : 428,387,430,346.32 = 132,290,536,766.91 : x
  2. Step 2: Convert to fraction form
    285,474,199,232.94/428,387,430,346.32 = 132,290,536,766.91/x
  3. Step 3: Cross multiply
    285,474,199,232.94x = 428,387,430,346.32 × 132,290,536,766.91
  4. Step 4: Simplify right side
    285,474,199,232.94x = 56,671,603,104,711,945,748,480
  5. Step 5: Solve for x
    x = 56,671,603,104,711,945,748,480/285,474,199,232.94
  6. Step 6: Final answer
    x = 198,517,425,592.18

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1.5x scale

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.