Home / 8,161,927,882.40-12,242,891,823.60-2,641,743,927.20

Finding the Fourth Proportional to 8,161,927,882.40, 12,242,891,823.60 and 2,641,743,927.20

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Solution

The fourth proportional to 8,161,927,882.40, 12,242,891,823.60 and 2,641,743,927.20 is: 3,962,615,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,927,882.40 : 12,242,891,823.60 = 2,641,743,927.20 : x
  2. Step 2: Convert to fraction form
    8,161,927,882.40/12,242,891,823.60 = 2,641,743,927.20/x
  3. Step 3: Cross multiply
    8,161,927,882.40x = 12,242,891,823.60 × 2,641,743,927.20
  4. Step 4: Simplify right side
    8,161,927,882.40x = 32,342,585,126,361,833,472
  5. Step 5: Solve for x
    x = 32,342,585,126,361,833,472/8,161,927,882.40
  6. Step 6: Final answer
    x = 3,962,615,890.80

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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.