Home / 1,969,106,854.48-2,718,204,164.04-1,226,917,618

Finding the Fourth Proportional to 1,969,106,854.48, 2,718,204,164.04 and 1,226,917,618

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Solution

The fourth proportional to 1,969,106,854.48, 2,718,204,164.04 and 1,226,917,618 is: 1,693,667,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,106,854.48 : 2,718,204,164.04 = 1,226,917,618 : x
  2. Step 2: Convert to fraction form
    1,969,106,854.48/2,718,204,164.04 = 1,226,917,618/x
  3. Step 3: Cross multiply
    1,969,106,854.48x = 2,718,204,164.04 × 1,226,917,618
  4. Step 4: Simplify right side
    1,969,106,854.48x = 3,335,012,578,181,638,144
  5. Step 5: Solve for x
    x = 3,335,012,578,181,638,144/1,969,106,854.48
  6. Step 6: Final answer
    x = 1,693,667,649.67

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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.