Home / 198,287,309,330.36-297,489,319,185.96-63,979,279,857.52

Finding the Fourth Proportional to 198,287,309,330.36, 297,489,319,185.96 and 63,979,279,857.52

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Solution

The fourth proportional to 198,287,309,330.36, 297,489,319,185.96 and 63,979,279,857.52 is: 95,987,748,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,287,309,330.36 : 297,489,319,185.96 = 63,979,279,857.52 : x
  2. Step 2: Convert to fraction form
    198,287,309,330.36/297,489,319,185.96 = 63,979,279,857.52/x
  3. Step 3: Cross multiply
    198,287,309,330.36x = 297,489,319,185.96 × 63,979,279,857.52
  4. Step 4: Simplify right side
    198,287,309,330.36x = 19,033,152,406,821,628,018,688
  5. Step 5: Solve for x
    x = 19,033,152,406,821,628,018,688/198,287,309,330.36
  6. Step 6: Final answer
    x = 95,987,748,641.60

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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.