Home / 15,764,518,462.20-21,755,093,108.94-8,530,565,976.12

Finding the Fourth Proportional to 15,764,518,462.20, 21,755,093,108.94 and 8,530,565,976.12

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Solution

The fourth proportional to 15,764,518,462.20, 21,755,093,108.94 and 8,530,565,976.12 is: 11,772,212,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,518,462.20 : 21,755,093,108.94 = 8,530,565,976.12 : x
  2. Step 2: Convert to fraction form
    15,764,518,462.20/21,755,093,108.94 = 8,530,565,976.12/x
  3. Step 3: Cross multiply
    15,764,518,462.20x = 21,755,093,108.94 × 8,530,565,976.12
  4. Step 4: Simplify right side
    15,764,518,462.20x = 185,583,257,082,446,217,216
  5. Step 5: Solve for x
    x = 185,583,257,082,446,217,216/15,764,518,462.20
  6. Step 6: Final answer
    x = 11,772,212,232.64

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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.