Home / 799,154,717.59-1,198,718,888.31-238,917,858.17

Finding the Fourth Proportional to 799,154,717.59, 1,198,718,888.31 and 238,917,858.17

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Solution

The fourth proportional to 799,154,717.59, 1,198,718,888.31 and 238,917,858.17 is: 358,372,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,154,717.59 : 1,198,718,888.31 = 238,917,858.17 : x
  2. Step 2: Convert to fraction form
    799,154,717.59/1,198,718,888.31 = 238,917,858.17/x
  3. Step 3: Cross multiply
    799,154,717.59x = 1,198,718,888.31 × 238,917,858.17
  4. Step 4: Simplify right side
    799,154,717.59x = 286,395,349,342,948,608
  5. Step 5: Solve for x
    x = 286,395,349,342,948,608/799,154,717.59
  6. Step 6: Final answer
    x = 358,372,844.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.