Home / 198,287,309,442.54-297,489,319,353.87-63,979,279,969.68

Finding the Fourth Proportional to 198,287,309,442.54, 297,489,319,353.87 and 63,979,279,969.68

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Solution

The fourth proportional to 198,287,309,442.54, 297,489,319,353.87 and 63,979,279,969.68 is: 95,987,748,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,287,309,442.54 : 297,489,319,353.87 = 63,979,279,969.68 : x
  2. Step 2: Convert to fraction form
    198,287,309,442.54/297,489,319,353.87 = 63,979,279,969.68/x
  3. Step 3: Cross multiply
    198,287,309,442.54x = 297,489,319,353.87 × 63,979,279,969.68
  4. Step 4: Simplify right side
    198,287,309,442.54x = 19,033,152,450,930,791,153,664
  5. Step 5: Solve for x
    x = 19,033,152,450,930,791,153,664/198,287,309,442.54
  6. Step 6: Final answer
    x = 95,987,748,809.75

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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.