Home / 521,520,984,072.20-782,281,476,108.30-521,520,984,072.20

Finding the Fourth Proportional to 521,520,984,072.20, 782,281,476,108.30 and 521,520,984,072.20

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Solution

The fourth proportional to 521,520,984,072.20, 782,281,476,108.30 and 521,520,984,072.20 is: 782,281,476,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,984,072.20 : 782,281,476,108.30 = 521,520,984,072.20 : x
  2. Step 2: Convert to fraction form
    521,520,984,072.20/782,281,476,108.30 = 521,520,984,072.20/x
  3. Step 3: Cross multiply
    521,520,984,072.20x = 782,281,476,108.30 × 521,520,984,072.20
  4. Step 4: Simplify right side
    521,520,984,072.20x = 407,976,205,241,453,857,734,656
  5. Step 5: Solve for x
    x = 407,976,205,241,453,857,734,656/521,520,984,072.20
  6. Step 6: Final answer
    x = 782,281,476,108.30

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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.