Home / 18,589,963,856.25-27,884,928,746.90-5,827,129,821.57

Finding the Fourth Proportional to 18,589,963,856.25, 27,884,928,746.90 and 5,827,129,821.57

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Solution

The fourth proportional to 18,589,963,856.25, 27,884,928,746.90 and 5,827,129,821.57 is: 8,740,689,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,963,856.25 : 27,884,928,746.90 = 5,827,129,821.57 : x
  2. Step 2: Convert to fraction form
    18,589,963,856.25/27,884,928,746.90 = 5,827,129,821.57/x
  3. Step 3: Cross multiply
    18,589,963,856.25x = 27,884,928,746.90 × 5,827,129,821.57
  4. Step 4: Simplify right side
    18,589,963,856.25x = 162,489,099,873,415,561,216
  5. Step 5: Solve for x
    x = 162,489,099,873,415,561,216/18,589,963,856.25
  6. Step 6: Final answer
    x = 8,740,689,391.86

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Double scale
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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.