Home / 6,641,661,429.02-9,965,008,295.22-3,987,570,968.52

Finding the Fourth Proportional to 6,641,661,429.02, 9,965,008,295.22 and 3,987,570,968.52

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Solution

The fourth proportional to 6,641,661,429.02, 9,965,008,295.22 and 3,987,570,968.52 is: 5,982,867,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641,661,429.02 : 9,965,008,295.22 = 3,987,570,968.52 : x
  2. Step 2: Convert to fraction form
    6,641,661,429.02/9,965,008,295.22 = 3,987,570,968.52/x
  3. Step 3: Cross multiply
    6,641,661,429.02x = 9,965,008,295.22 × 3,987,570,968.52
  4. Step 4: Simplify right side
    6,641,661,429.02x = 39,736,177,779,080,249,344
  5. Step 5: Solve for x
    x = 39,736,177,779,080,249,344/6,641,661,429.02
  6. Step 6: Final answer
    x = 5,982,867,118.98

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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.