Home / 13,285,990,158.60-19,929,221,433.90-3,969,853,048.20

Finding the Fourth Proportional to 13,285,990,158.60, 19,929,221,433.90 and 3,969,853,048.20

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Solution

The fourth proportional to 13,285,990,158.60, 19,929,221,433.90 and 3,969,853,048.20 is: 5,954,850,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,990,158.60 : 19,929,221,433.90 = 3,969,853,048.20 : x
  2. Step 2: Convert to fraction form
    13,285,990,158.60/19,929,221,433.90 = 3,969,853,048.20/x
  3. Step 3: Cross multiply
    13,285,990,158.60x = 19,929,221,433.90 × 3,969,853,048.20
  4. Step 4: Simplify right side
    13,285,990,158.60x = 79,116,080,457,620,684,800
  5. Step 5: Solve for x
    x = 79,116,080,457,620,684,800/13,285,990,158.60
  6. Step 6: Final answer
    x = 5,954,850,147.65

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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.