Home / 259,722,288-358,428,024-143,828,784

Finding the Fourth Proportional to 259,722,288, 358,428,024 and 143,828,784

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Solution

The fourth proportional to 259,722,288, 358,428,024 and 143,828,784 is: 198,489,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,722,288 : 358,428,024 = 143,828,784 : x
  2. Step 2: Convert to fraction form
    259,722,288/358,428,024 = 143,828,784/x
  3. Step 3: Cross multiply
    259,722,288x = 358,428,024 × 143,828,784
  4. Step 4: Simplify right side
    259,722,288x = 51,552,266,843,442,816
  5. Step 5: Solve for x
    x = 51,552,266,843,442,816/259,722,288
  6. Step 6: Final answer
    x = 198,489,961.11

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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.