Home / 198,287,309,296.40-297,489,319,134.95-63,979,279,823.55

Finding the Fourth Proportional to 198,287,309,296.40, 297,489,319,134.95 and 63,979,279,823.55

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Solution

The fourth proportional to 198,287,309,296.40, 297,489,319,134.95 and 63,979,279,823.55 is: 95,987,748,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,287,309,296.40 : 297,489,319,134.95 = 63,979,279,823.55 : x
  2. Step 2: Convert to fraction form
    198,287,309,296.40/297,489,319,134.95 = 63,979,279,823.55/x
  3. Step 3: Cross multiply
    198,287,309,296.40x = 297,489,319,134.95 × 63,979,279,823.55
  4. Step 4: Simplify right side
    198,287,309,296.40x = 19,033,152,393,452,334,350,336
  5. Step 5: Solve for x
    x = 19,033,152,393,452,334,350,336/198,287,309,296.40
  6. Step 6: Final answer
    x = 95,987,748,590.61

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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.