Home / 19,012,280,156.10-28,518,420,234.15-18,206,190,447.30

Finding the Fourth Proportional to 19,012,280,156.10, 28,518,420,234.15 and 18,206,190,447.30

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Solution

The fourth proportional to 19,012,280,156.10, 28,518,420,234.15 and 18,206,190,447.30 is: 27,309,285,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012,280,156.10 : 28,518,420,234.15 = 18,206,190,447.30 : x
  2. Step 2: Convert to fraction form
    19,012,280,156.10/28,518,420,234.15 = 18,206,190,447.30/x
  3. Step 3: Cross multiply
    19,012,280,156.10x = 28,518,420,234.15 × 18,206,190,447.30
  4. Step 4: Simplify right side
    19,012,280,156.10x = 519,211,790,039,068,770,304
  5. Step 5: Solve for x
    x = 519,211,790,039,068,770,304/19,012,280,156.10
  6. Step 6: Final answer
    x = 27,309,285,670.95

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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.