Home / 18,428,319,678.66-25,448,644,935.78-17,424,356,574.04

Finding the Fourth Proportional to 18,428,319,678.66, 25,448,644,935.78 and 17,424,356,574.04

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Solution

The fourth proportional to 18,428,319,678.66, 25,448,644,935.78 and 17,424,356,574.04 is: 24,062,218,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,319,678.66 : 25,448,644,935.78 = 17,424,356,574.04 : x
  2. Step 2: Convert to fraction form
    18,428,319,678.66/25,448,644,935.78 = 17,424,356,574.04/x
  3. Step 3: Cross multiply
    18,428,319,678.66x = 25,448,644,935.78 × 17,424,356,574.04
  4. Step 4: Simplify right side
    18,428,319,678.66x = 443,426,263,687,168,000,000
  5. Step 5: Solve for x
    x = 443,426,263,687,168,000,000/18,428,319,678.66
  6. Step 6: Final answer
    x = 24,062,218,987.91

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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.