Home / 1,969,107,274.92-2,718,204,740.10-1,226,918,031.96

Finding the Fourth Proportional to 1,969,107,274.92, 2,718,204,740.10 and 1,226,918,031.96

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Solution

The fourth proportional to 1,969,107,274.92, 2,718,204,740.10 and 1,226,918,031.96 is: 1,693,668,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,107,274.92 : 2,718,204,740.10 = 1,226,918,031.96 : x
  2. Step 2: Convert to fraction form
    1,969,107,274.92/2,718,204,740.10 = 1,226,918,031.96/x
  3. Step 3: Cross multiply
    1,969,107,274.92x = 2,718,204,740.10 × 1,226,918,031.96
  4. Step 4: Simplify right side
    1,969,107,274.92x = 3,335,014,410,187,835,392
  5. Step 5: Solve for x
    x = 3,335,014,410,187,835,392/1,969,107,274.92
  6. Step 6: Final answer
    x = 1,693,668,218.42

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Double scale
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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.