Home / 13,643,601,918.30-20,465,402,877.45-8,340,245,891.10

Finding the Fourth Proportional to 13,643,601,918.30, 20,465,402,877.45 and 8,340,245,891.10

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Solution

The fourth proportional to 13,643,601,918.30, 20,465,402,877.45 and 8,340,245,891.10 is: 12,510,368,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,601,918.30 : 20,465,402,877.45 = 8,340,245,891.10 : x
  2. Step 2: Convert to fraction form
    13,643,601,918.30/20,465,402,877.45 = 8,340,245,891.10/x
  3. Step 3: Cross multiply
    13,643,601,918.30x = 20,465,402,877.45 × 8,340,245,891.10
  4. Step 4: Simplify right side
    13,643,601,918.30x = 170,686,492,258,358,493,184
  5. Step 5: Solve for x
    x = 170,686,492,258,358,493,184/13,643,601,918.30
  6. Step 6: Final answer
    x = 12,510,368,836.65

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Double scale
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Similar ratio
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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.