Home / 20,662,103,428.80-30,993,155,143.20-8,869,215,062.40

Finding the Fourth Proportional to 20,662,103,428.80, 30,993,155,143.20 and 8,869,215,062.40

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Solution

The fourth proportional to 20,662,103,428.80, 30,993,155,143.20 and 8,869,215,062.40 is: 13,303,822,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662,103,428.80 : 30,993,155,143.20 = 8,869,215,062.40 : x
  2. Step 2: Convert to fraction form
    20,662,103,428.80/30,993,155,143.20 = 8,869,215,062.40/x
  3. Step 3: Cross multiply
    20,662,103,428.80x = 30,993,155,143.20 × 8,869,215,062.40
  4. Step 4: Simplify right side
    20,662,103,428.80x = 274,884,958,427,369,472,000
  5. Step 5: Solve for x
    x = 274,884,958,427,369,472,000/20,662,103,428.80
  6. Step 6: Final answer
    x = 13,303,822,593.60

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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.