Home / 442,188,800,999.20-663,283,201,498.80-219,034,599,335.20

Finding the Fourth Proportional to 442,188,800,999.20, 663,283,201,498.80 and 219,034,599,335.20

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Solution

The fourth proportional to 442,188,800,999.20, 663,283,201,498.80 and 219,034,599,335.20 is: 328,551,899,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,188,800,999.20 : 663,283,201,498.80 = 219,034,599,335.20 : x
  2. Step 2: Convert to fraction form
    442,188,800,999.20/663,283,201,498.80 = 219,034,599,335.20/x
  3. Step 3: Cross multiply
    442,188,800,999.20x = 663,283,201,498.80 × 219,034,599,335.20
  4. Step 4: Simplify right side
    442,188,800,999.20x = 145,281,970,286,058,402,742,272
  5. Step 5: Solve for x
    x = 145,281,970,286,058,402,742,272/442,188,800,999.20
  6. Step 6: Final answer
    x = 328,551,899,002.80

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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.