Home / 392,579,798.35-541,781,426.83-225,314,722.30

Finding the Fourth Proportional to 392,579,798.35, 541,781,426.83 and 225,314,722.30

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Solution

The fourth proportional to 392,579,798.35, 541,781,426.83 and 225,314,722.30 is: 310,946,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,579,798.35 : 541,781,426.83 = 225,314,722.30 : x
  2. Step 2: Convert to fraction form
    392,579,798.35/541,781,426.83 = 225,314,722.30/x
  3. Step 3: Cross multiply
    392,579,798.35x = 541,781,426.83 × 225,314,722.30
  4. Step 4: Simplify right side
    392,579,798.35x = 122,071,331,730,790,320
  5. Step 5: Solve for x
    x = 122,071,331,730,790,320/392,579,798.35
  6. Step 6: Final answer
    x = 310,946,544.49

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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.