Home / 18,841,786,414.91-28,271,025,750.01-9,875,844,884.19

Finding the Fourth Proportional to 18,841,786,414.91, 28,271,025,750.01 and 9,875,844,884.19

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Solution

The fourth proportional to 18,841,786,414.91, 28,271,025,750.01 and 9,875,844,884.19 is: 14,818,141,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841,786,414.91 : 28,271,025,750.01 = 9,875,844,884.19 : x
  2. Step 2: Convert to fraction form
    18,841,786,414.91/28,271,025,750.01 = 9,875,844,884.19/x
  3. Step 3: Cross multiply
    18,841,786,414.91x = 28,271,025,750.01 × 9,875,844,884.19
  4. Step 4: Simplify right side
    18,841,786,414.91x = 279,200,265,023,990,661,120
  5. Step 5: Solve for x
    x = 279,200,265,023,990,661,120/18,841,786,414.91
  6. Step 6: Final answer
    x = 14,818,141,914.78

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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.