Home / 13,563,966,180.69-18,718,288,847.61-7,542,342,298.05

Finding the Fourth Proportional to 13,563,966,180.69, 18,718,288,847.61 and 7,542,342,298.05

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Solution

The fourth proportional to 13,563,966,180.69, 18,718,288,847.61 and 7,542,342,298.05 is: 10,408,441,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,966,180.69 : 18,718,288,847.61 = 7,542,342,298.05 : x
  2. Step 2: Convert to fraction form
    13,563,966,180.69/18,718,288,847.61 = 7,542,342,298.05/x
  3. Step 3: Cross multiply
    13,563,966,180.69x = 18,718,288,847.61 × 7,542,342,298.05
  4. Step 4: Simplify right side
    13,563,966,180.69x = 141,179,741,722,446,495,744
  5. Step 5: Solve for x
    x = 141,179,741,722,446,495,744/13,563,966,180.69
  6. Step 6: Final answer
    x = 10,408,441,000.35

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Double scale
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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.