Home / 1,687,823,968.68-2,329,197,076.80-945,268,031.43

Finding the Fourth Proportional to 1,687,823,968.68, 2,329,197,076.80 and 945,268,031.43

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Solution

The fourth proportional to 1,687,823,968.68, 2,329,197,076.80 and 945,268,031.43 is: 1,304,469,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,823,968.68 : 2,329,197,076.80 = 945,268,031.43 : x
  2. Step 2: Convert to fraction form
    1,687,823,968.68/2,329,197,076.80 = 945,268,031.43/x
  3. Step 3: Cross multiply
    1,687,823,968.68x = 2,329,197,076.80 × 945,268,031.43
  4. Step 4: Simplify right side
    1,687,823,968.68x = 2,201,715,535,599,246,592
  5. Step 5: Solve for x
    x = 2,201,715,535,599,246,592/1,687,823,968.68
  6. Step 6: Final answer
    x = 1,304,469,883.39

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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.