Home / 400,708,144.94-552,963,870.46-222,084,421.52

Finding the Fourth Proportional to 400,708,144.94, 552,963,870.46 and 222,084,421.52

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Solution

The fourth proportional to 400,708,144.94, 552,963,870.46 and 222,084,421.52 is: 306,469,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,708,144.94 : 552,963,870.46 = 222,084,421.52 : x
  2. Step 2: Convert to fraction form
    400,708,144.94/552,963,870.46 = 222,084,421.52/x
  3. Step 3: Cross multiply
    400,708,144.94x = 552,963,870.46 × 222,084,421.52
  4. Step 4: Simplify right side
    400,708,144.94x = 122,804,661,292,569,328
  5. Step 5: Solve for x
    x = 122,804,661,292,569,328/400,708,144.94
  6. Step 6: Final answer
    x = 306,469,091.89

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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.