Home / 302,515,348.80-453,773,023.20-199,203,218.40

Finding the Fourth Proportional to 302,515,348.80, 453,773,023.20 and 199,203,218.40

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Solution

The fourth proportional to 302,515,348.80, 453,773,023.20 and 199,203,218.40 is: 298,804,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,515,348.80 : 453,773,023.20 = 199,203,218.40 : x
  2. Step 2: Convert to fraction form
    302,515,348.80/453,773,023.20 = 199,203,218.40/x
  3. Step 3: Cross multiply
    302,515,348.80x = 453,773,023.20 × 199,203,218.40
  4. Step 4: Simplify right side
    302,515,348.80x = 90,393,046,644,537,872
  5. Step 5: Solve for x
    x = 90,393,046,644,537,872/302,515,348.80
  6. Step 6: Final answer
    x = 298,804,827.60

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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.