Home / 355,067,326.08-490,008,042.63-198,434,428.56

Finding the Fourth Proportional to 355,067,326.08, 490,008,042.63 and 198,434,428.56

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Solution

The fourth proportional to 355,067,326.08, 490,008,042.63 and 198,434,428.56 is: 273,847,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,067,326.08 : 490,008,042.63 = 198,434,428.56 : x
  2. Step 2: Convert to fraction form
    355,067,326.08/490,008,042.63 = 198,434,428.56/x
  3. Step 3: Cross multiply
    355,067,326.08x = 490,008,042.63 × 198,434,428.56
  4. Step 4: Simplify right side
    355,067,326.08x = 97,234,465,929,088,176
  5. Step 5: Solve for x
    x = 97,234,465,929,088,176/355,067,326.08
  6. Step 6: Final answer
    x = 273,847,968.50

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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.