Home / 1,687,823,971.37-2,329,197,080.51-945,268,034.12

Finding the Fourth Proportional to 1,687,823,971.37, 2,329,197,080.51 and 945,268,034.12

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Solution

The fourth proportional to 1,687,823,971.37, 2,329,197,080.51 and 945,268,034.12 is: 1,304,469,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,823,971.37 : 2,329,197,080.51 = 945,268,034.12 : x
  2. Step 2: Convert to fraction form
    1,687,823,971.37/2,329,197,080.51 = 945,268,034.12/x
  3. Step 3: Cross multiply
    1,687,823,971.37x = 2,329,197,080.51 × 945,268,034.12
  4. Step 4: Simplify right side
    1,687,823,971.37x = 2,201,715,545,371,731,200
  5. Step 5: Solve for x
    x = 2,201,715,545,371,731,200/1,687,823,971.37
  6. Step 6: Final answer
    x = 1,304,469,887.10

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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.