Home / 643,793,750.40-965,690,625.60-234,863,241.60

Finding the Fourth Proportional to 643,793,750.40, 965,690,625.60 and 234,863,241.60

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Solution

The fourth proportional to 643,793,750.40, 965,690,625.60 and 234,863,241.60 is: 352,294,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,793,750.40 : 965,690,625.60 = 234,863,241.60 : x
  2. Step 2: Convert to fraction form
    643,793,750.40/965,690,625.60 = 234,863,241.60/x
  3. Step 3: Cross multiply
    643,793,750.40x = 965,690,625.60 × 234,863,241.60
  4. Step 4: Simplify right side
    643,793,750.40x = 226,805,230,711,147,936
  5. Step 5: Solve for x
    x = 226,805,230,711,147,936/643,793,750.40
  6. Step 6: Final answer
    x = 352,294,862.40

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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.