Home / 13,854,276,542.92-19,119,052,112.43-8,138,801,865.45

Finding the Fourth Proportional to 13,854,276,542.92, 19,119,052,112.43 and 8,138,801,865.45

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Solution

The fourth proportional to 13,854,276,542.92, 19,119,052,112.43 and 8,138,801,865.45 is: 11,231,634,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,276,542.92 : 19,119,052,112.43 = 8,138,801,865.45 : x
  2. Step 2: Convert to fraction form
    13,854,276,542.92/19,119,052,112.43 = 8,138,801,865.45/x
  3. Step 3: Cross multiply
    13,854,276,542.92x = 19,119,052,112.43 × 8,138,801,865.45
  4. Step 4: Simplify right side
    13,854,276,542.92x = 155,606,176,998,281,052,160
  5. Step 5: Solve for x
    x = 155,606,176,998,281,052,160/13,854,276,542.92
  6. Step 6: Final answer
    x = 11,231,634,976.84

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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.