Home / 400,676,240.90-552,933,264.87-222,071,660.27

Finding the Fourth Proportional to 400,676,240.90, 552,933,264.87 and 222,071,660.27

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Solution

The fourth proportional to 400,676,240.90, 552,933,264.87 and 222,071,660.27 is: 306,458,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,676,240.90 : 552,933,264.87 = 222,071,660.27 : x
  2. Step 2: Convert to fraction form
    400,676,240.90/552,933,264.87 = 222,071,660.27/x
  3. Step 3: Cross multiply
    400,676,240.90x = 552,933,264.87 × 222,071,660.27
  4. Step 4: Simplify right side
    400,676,240.90x = 122,790,808,145,427,888
  5. Step 5: Solve for x
    x = 122,790,808,145,427,888/400,676,240.90
  6. Step 6: Final answer
    x = 306,458,920.23

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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.