Home / 352,195,685.32-485,921,053.47-203,462,538.30

Finding the Fourth Proportional to 352,195,685.32, 485,921,053.47 and 203,462,538.30

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Solution

The fourth proportional to 352,195,685.32, 485,921,053.47 and 203,462,538.30 is: 280,715,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,195,685.32 : 485,921,053.47 = 203,462,538.30 : x
  2. Step 2: Convert to fraction form
    352,195,685.32/485,921,053.47 = 203,462,538.30/x
  3. Step 3: Cross multiply
    352,195,685.32x = 485,921,053.47 × 203,462,538.30
  4. Step 4: Simplify right side
    352,195,685.32x = 98,866,730,952,416,240
  5. Step 5: Solve for x
    x = 98,866,730,952,416,240/352,195,685.32
  6. Step 6: Final answer
    x = 280,715,338.30

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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.