Home / 386,206,801.60-579,982,048.80-204,808,273.60

Finding the Fourth Proportional to 386,206,801.60, 579,982,048.80 and 204,808,273.60

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Solution

The fourth proportional to 386,206,801.60, 579,982,048.80 and 204,808,273.60 is: 307,568,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,206,801.60 : 579,982,048.80 = 204,808,273.60 : x
  2. Step 2: Convert to fraction form
    386,206,801.60/579,982,048.80 = 204,808,273.60/x
  3. Step 3: Cross multiply
    386,206,801.60x = 579,982,048.80 × 204,808,273.60
  4. Step 4: Simplify right side
    386,206,801.60x = 118,785,122,133,718,944
  5. Step 5: Solve for x
    x = 118,785,122,133,718,944/386,206,801.60
  6. Step 6: Final answer
    x = 307,568,695.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.