Home / 4,778,382,998.25-6,643,959,615

Finding the Third Proportional to 4,778,382,998.25 and 6,643,959,615

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Solution

The third proportional to 4,778,382,998.25 and 6,643,959,615 is: 9,237,894,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778,382,998.25 : 6,643,959,615 = 6,643,959,615 : x
  2. Step 2: Convert to fraction form
    4,778,382,998.25/6,643,959,615 = 6,643,959,615/x
  3. Step 3: Cross multiply
    4,778,382,998.25x = 6,643,959,615 × 6,643,959,615
  4. Step 4: Simplify right side
    4,778,382,998.25x = 44,142,199,365,750,947,840
  5. Step 5: Solve for x
    x = 44,142,199,365,750,947,840/4,778,382,998.25
  6. Step 6: Final answer
    x = 9,237,894,781.96

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.