Home / 643,793,645.40-965,690,468.10-234,863,136.60

Finding the Fourth Proportional to 643,793,645.40, 965,690,468.10 and 234,863,136.60

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Solution

The fourth proportional to 643,793,645.40, 965,690,468.10 and 234,863,136.60 is: 352,294,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,793,645.40 : 965,690,468.10 = 234,863,136.60 : x
  2. Step 2: Convert to fraction form
    643,793,645.40/965,690,468.10 = 234,863,136.60/x
  3. Step 3: Cross multiply
    643,793,645.40x = 965,690,468.10 × 234,863,136.60
  4. Step 4: Simplify right side
    643,793,645.40x = 226,805,092,322,688,256
  5. Step 5: Solve for x
    x = 226,805,092,322,688,256/643,793,645.40
  6. Step 6: Final answer
    x = 352,294,704.90

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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.