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Finding the Fourth Proportional to 574,016,194.96, 791,719,431.36 and 432,893,362.66

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Solution

The fourth proportional to 574,016,194.96, 791,719,431.36 and 432,893,362.66 is: 597,073,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,016,194.96 : 791,719,431.36 = 432,893,362.66 : x
  2. Step 2: Convert to fraction form
    574,016,194.96/791,719,431.36 = 432,893,362.66/x
  3. Step 3: Cross multiply
    574,016,194.96x = 791,719,431.36 × 432,893,362.66
  4. Step 4: Simplify right side
    574,016,194.96x = 342,730,086,924,693,504
  5. Step 5: Solve for x
    x = 342,730,086,924,693,504/574,016,194.96
  6. Step 6: Final answer
    x = 597,073,897.80

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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.