Home / 6,641,661,424.02-9,965,008,287.72-3,987,570,963.52

Finding the Fourth Proportional to 6,641,661,424.02, 9,965,008,287.72 and 3,987,570,963.52

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Solution

The fourth proportional to 6,641,661,424.02, 9,965,008,287.72 and 3,987,570,963.52 is: 5,982,867,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641,661,424.02 : 9,965,008,287.72 = 3,987,570,963.52 : x
  2. Step 2: Convert to fraction form
    6,641,661,424.02/9,965,008,287.72 = 3,987,570,963.52/x
  3. Step 3: Cross multiply
    6,641,661,424.02x = 9,965,008,287.72 × 3,987,570,963.52
  4. Step 4: Simplify right side
    6,641,661,424.02x = 39,736,177,699,348,422,656
  5. Step 5: Solve for x
    x = 39,736,177,699,348,422,656/6,641,661,424.02
  6. Step 6: Final answer
    x = 5,982,867,111.48

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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.