Home / 327,763,965.80-491,645,948.70-292,051,130.60

Finding the Fourth Proportional to 327,763,965.80, 491,645,948.70 and 292,051,130.60

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Solution

The fourth proportional to 327,763,965.80, 491,645,948.70 and 292,051,130.60 is: 438,076,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,763,965.80 : 491,645,948.70 = 292,051,130.60 : x
  2. Step 2: Convert to fraction form
    327,763,965.80/491,645,948.70 = 292,051,130.60/x
  3. Step 3: Cross multiply
    327,763,965.80x = 491,645,948.70 × 292,051,130.60
  4. Step 4: Simplify right side
    327,763,965.80x = 143,585,755,172,744,608
  5. Step 5: Solve for x
    x = 143,585,755,172,744,608/327,763,965.80
  6. Step 6: Final answer
    x = 438,076,695.90

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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.