Home / 4,127,396,663,909.40-8,979,440,987,029.60

Finding the Third Proportional to 4,127,396,663,909.40 and 8,979,440,987,029.60

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Solution

The third proportional to 4,127,396,663,909.40 and 8,979,440,987,029.60 is: 19,535,403,792,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127,396,663,909.40 : 8,979,440,987,029.60 = 8,979,440,987,029.60 : x
  2. Step 2: Convert to fraction form
    4,127,396,663,909.40/8,979,440,987,029.60 = 8,979,440,987,029.60/x
  3. Step 3: Cross multiply
    4,127,396,663,909.40x = 8,979,440,987,029.60 × 8,979,440,987,029.60
  4. Step 4: Simplify right side
    4,127,396,663,909.40x = 80,630,360,439,547,109,530,664,960
  5. Step 5: Solve for x
    x = 80,630,360,439,547,109,530,664,960/4,127,396,663,909.40
  6. Step 6: Final answer
    x = 19,535,403,792,078.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.