Home / 1,687,823,979.18-2,329,197,091.29-945,268,041.93

Finding the Fourth Proportional to 1,687,823,979.18, 2,329,197,091.29 and 945,268,041.93

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Solution

The fourth proportional to 1,687,823,979.18, 2,329,197,091.29 and 945,268,041.93 is: 1,304,469,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,823,979.18 : 2,329,197,091.29 = 945,268,041.93 : x
  2. Step 2: Convert to fraction form
    1,687,823,979.18/2,329,197,091.29 = 945,268,041.93/x
  3. Step 3: Cross multiply
    1,687,823,979.18x = 2,329,197,091.29 × 945,268,041.93
  4. Step 4: Simplify right side
    1,687,823,979.18x = 2,201,715,573,752,749,568
  5. Step 5: Solve for x
    x = 2,201,715,573,752,749,568/1,687,823,979.18
  6. Step 6: Final answer
    x = 1,304,469,897.88

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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.