Home / 15,162,013,752.79-20,922,950,399.49-8,295,376,692.55

Finding the Fourth Proportional to 15,162,013,752.79, 20,922,950,399.49 and 8,295,376,692.55

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Solution

The fourth proportional to 15,162,013,752.79, 20,922,950,399.49 and 8,295,376,692.55 is: 11,447,275,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162,013,752.79 : 20,922,950,399.49 = 8,295,376,692.55 : x
  2. Step 2: Convert to fraction form
    15,162,013,752.79/20,922,950,399.49 = 8,295,376,692.55/x
  3. Step 3: Cross multiply
    15,162,013,752.79x = 20,922,950,399.49 × 8,295,376,692.55
  4. Step 4: Simplify right side
    15,162,013,752.79x = 173,563,755,083,309,088,768
  5. Step 5: Solve for x
    x = 173,563,755,083,309,088,768/15,162,013,752.79
  6. Step 6: Final answer
    x = 11,447,275,930.04

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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.