Home / 354,262,851.20-531,394,276.80-199,294,655.60

Finding the Fourth Proportional to 354,262,851.20, 531,394,276.80 and 199,294,655.60

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Solution

The fourth proportional to 354,262,851.20, 531,394,276.80 and 199,294,655.60 is: 298,941,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,262,851.20 : 531,394,276.80 = 199,294,655.60 : x
  2. Step 2: Convert to fraction form
    354,262,851.20/531,394,276.80 = 199,294,655.60/x
  3. Step 3: Cross multiply
    354,262,851.20x = 531,394,276.80 × 199,294,655.60
  4. Step 4: Simplify right side
    354,262,851.20x = 105,904,039,382,667,072
  5. Step 5: Solve for x
    x = 105,904,039,382,667,072/354,262,851.20
  6. Step 6: Final answer
    x = 298,941,983.40

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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.