Home / 8,156,247,963.20-11,251,547,509.92-5,149,227,429.44

Finding the Fourth Proportional to 8,156,247,963.20, 11,251,547,509.92 and 5,149,227,429.44

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Solution

The fourth proportional to 8,156,247,963.20, 11,251,547,509.92 and 5,149,227,429.44 is: 7,103,361,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156,247,963.20 : 11,251,547,509.92 = 5,149,227,429.44 : x
  2. Step 2: Convert to fraction form
    8,156,247,963.20/11,251,547,509.92 = 5,149,227,429.44/x
  3. Step 3: Cross multiply
    8,156,247,963.20x = 11,251,547,509.92 × 5,149,227,429.44
  4. Step 4: Simplify right side
    8,156,247,963.20x = 57,936,777,061,727,387,648
  5. Step 5: Solve for x
    x = 57,936,777,061,727,387,648/8,156,247,963.20
  6. Step 6: Final answer
    x = 7,103,361,413.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.