Home / 356,849,727.46-492,427,971.14-198,067,359.31

Finding the Fourth Proportional to 356,849,727.46, 492,427,971.14 and 198,067,359.31

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Solution

The fourth proportional to 356,849,727.46, 492,427,971.14 and 198,067,359.31 is: 273,319,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,849,727.46 : 492,427,971.14 = 198,067,359.31 : x
  2. Step 2: Convert to fraction form
    356,849,727.46/492,427,971.14 = 198,067,359.31/x
  3. Step 3: Cross multiply
    356,849,727.46x = 492,427,971.14 × 198,067,359.31
  4. Step 4: Simplify right side
    356,849,727.46x = 97,533,907,891,859,280
  5. Step 5: Solve for x
    x = 97,533,907,891,859,280/356,849,727.46
  6. Step 6: Final answer
    x = 273,319,272.48

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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.