Home / 22,415,403,876.39-30,933,625,052.79-13,383,951,114.78

Finding the Fourth Proportional to 22,415,403,876.39, 30,933,625,052.79 and 13,383,951,114.78

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Solution

The fourth proportional to 22,415,403,876.39, 30,933,625,052.79 and 13,383,951,114.78 is: 18,470,072,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415,403,876.39 : 30,933,625,052.79 = 13,383,951,114.78 : x
  2. Step 2: Convert to fraction form
    22,415,403,876.39/30,933,625,052.79 = 13,383,951,114.78/x
  3. Step 3: Cross multiply
    22,415,403,876.39x = 30,933,625,052.79 × 13,383,951,114.78
  4. Step 4: Simplify right side
    22,415,403,876.39x = 414,014,125,509,475,303,424
  5. Step 5: Solve for x
    x = 414,014,125,509,475,303,424/22,415,403,876.39
  6. Step 6: Final answer
    x = 18,470,072,089.38

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Double scale
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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.