Home / 6,817,612,642.20-9,414,803,179.62-6,446,193,819.84

Finding the Fourth Proportional to 6,817,612,642.20, 9,414,803,179.62 and 6,446,193,819.84

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Solution

The fourth proportional to 6,817,612,642.20, 9,414,803,179.62 and 6,446,193,819.84 is: 8,901,891,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817,612,642.20 : 9,414,803,179.62 = 6,446,193,819.84 : x
  2. Step 2: Convert to fraction form
    6,817,612,642.20/9,414,803,179.62 = 6,446,193,819.84/x
  3. Step 3: Cross multiply
    6,817,612,642.20x = 9,414,803,179.62 × 6,446,193,819.84
  4. Step 4: Simplify right side
    6,817,612,642.20x = 60,689,646,071,476,428,800
  5. Step 5: Solve for x
    x = 60,689,646,071,476,428,800/6,817,612,642.20
  6. Step 6: Final answer
    x = 8,901,891,212.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.