Home / 552,432,616,757.55-762,348,964,071.20-308,565,555,743.80

Finding the Fourth Proportional to 552,432,616,757.55, 762,348,964,071.20 and 308,565,555,743.80

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Solution

The fourth proportional to 552,432,616,757.55, 762,348,964,071.20 and 308,565,555,743.80 is: 425,815,972,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,432,616,757.55 : 762,348,964,071.20 = 308,565,555,743.80 : x
  2. Step 2: Convert to fraction form
    552,432,616,757.55/762,348,964,071.20 = 308,565,555,743.80/x
  3. Step 3: Cross multiply
    552,432,616,757.55x = 762,348,964,071.20 × 308,565,555,743.80
  4. Step 4: Simplify right side
    552,432,616,757.55x = 235,234,631,769,340,017,377,280
  5. Step 5: Solve for x
    x = 235,234,631,769,340,017,377,280/552,432,616,757.55
  6. Step 6: Final answer
    x = 425,815,972,181.42

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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.