Home / 8,168,563,786.50-12,256,409,644.38-2,860,485,721.20

Finding the Fourth Proportional to 8,168,563,786.50, 12,256,409,644.38 and 2,860,485,721.20

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Solution

The fourth proportional to 8,168,563,786.50, 12,256,409,644.38 and 2,860,485,721.20 is: 4,291,976,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,563,786.50 : 12,256,409,644.38 = 2,860,485,721.20 : x
  2. Step 2: Convert to fraction form
    8,168,563,786.50/12,256,409,644.38 = 2,860,485,721.20/x
  3. Step 3: Cross multiply
    8,168,563,786.50x = 12,256,409,644.38 × 2,860,485,721.20
  4. Step 4: Simplify right side
    8,168,563,786.50x = 35,059,284,780,926,955,520
  5. Step 5: Solve for x
    x = 35,059,284,780,926,955,520/8,168,563,786.50
  6. Step 6: Final answer
    x = 4,291,976,618.81

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1.5x scale

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.