Home / 392,579,807.52-541,781,439.44-225,314,731.44

Finding the Fourth Proportional to 392,579,807.52, 541,781,439.44 and 225,314,731.44

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Solution

The fourth proportional to 392,579,807.52, 541,781,439.44 and 225,314,731.44 is: 310,946,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,579,807.52 : 541,781,439.44 = 225,314,731.44 : x
  2. Step 2: Convert to fraction form
    392,579,807.52/541,781,439.44 = 225,314,731.44/x
  3. Step 3: Cross multiply
    392,579,807.52x = 541,781,439.44 × 225,314,731.44
  4. Step 4: Simplify right side
    392,579,807.52x = 122,071,339,526,600,240
  5. Step 5: Solve for x
    x = 122,071,339,526,600,240/392,579,807.52
  6. Step 6: Final answer
    x = 310,946,557.08

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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.