Home / 4,229,436,718.80-6,343,451,417.64-1,281,015,336.72

Finding the Fourth Proportional to 4,229,436,718.80, 6,343,451,417.64 and 1,281,015,336.72

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Solution

The fourth proportional to 4,229,436,718.80, 6,343,451,417.64 and 1,281,015,336.72 is: 1,921,309,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229,436,718.80 : 6,343,451,417.64 = 1,281,015,336.72 : x
  2. Step 2: Convert to fraction form
    4,229,436,718.80/6,343,451,417.64 = 1,281,015,336.72/x
  3. Step 3: Cross multiply
    4,229,436,718.80x = 6,343,451,417.64 × 1,281,015,336.72
  4. Step 4: Simplify right side
    4,229,436,718.80x = 8,126,058,553,735,066,624
  5. Step 5: Solve for x
    x = 8,126,058,553,735,066,624/4,229,436,718.80
  6. Step 6: Final answer
    x = 1,921,309,879.78

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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.