Home / 198,287,309,328.86-297,489,319,183.71-63,979,279,856.02

Finding the Fourth Proportional to 198,287,309,328.86, 297,489,319,183.71 and 63,979,279,856.02

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Solution

The fourth proportional to 198,287,309,328.86, 297,489,319,183.71 and 63,979,279,856.02 is: 95,987,748,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,287,309,328.86 : 297,489,319,183.71 = 63,979,279,856.02 : x
  2. Step 2: Convert to fraction form
    198,287,309,328.86/297,489,319,183.71 = 63,979,279,856.02/x
  3. Step 3: Cross multiply
    198,287,309,328.86x = 297,489,319,183.71 × 63,979,279,856.02
  4. Step 4: Simplify right side
    198,287,309,328.86x = 19,033,152,406,231,443,308,544
  5. Step 5: Solve for x
    x = 19,033,152,406,231,443,308,544/198,287,309,328.86
  6. Step 6: Final answer
    x = 95,987,748,639.35

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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.