Home / 1,238,456,001.48-1,708,684,517.52-702,519,338.40

Finding the Fourth Proportional to 1,238,456,001.48, 1,708,684,517.52 and 702,519,338.40

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Solution

The fourth proportional to 1,238,456,001.48, 1,708,684,517.52 and 702,519,338.40 is: 969,258,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,456,001.48 : 1,708,684,517.52 = 702,519,338.40 : x
  2. Step 2: Convert to fraction form
    1,238,456,001.48/1,708,684,517.52 = 702,519,338.40/x
  3. Step 3: Cross multiply
    1,238,456,001.48x = 1,708,684,517.52 × 702,519,338.40
  4. Step 4: Simplify right side
    1,238,456,001.48x = 1,200,383,916,782,473,472
  5. Step 5: Solve for x
    x = 1,200,383,916,782,473,472/1,238,456,001.48
  6. Step 6: Final answer
    x = 969,258,427.71

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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.