Home / 28,659,834,910.83-39,550,691,638.07-15,799,192,341.08

Finding the Fourth Proportional to 28,659,834,910.83, 39,550,691,638.07 and 15,799,192,341.08

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Solution

The fourth proportional to 28,659,834,910.83, 39,550,691,638.07 and 15,799,192,341.08 is: 21,802,951,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659,834,910.83 : 39,550,691,638.07 = 15,799,192,341.08 : x
  2. Step 2: Convert to fraction form
    28,659,834,910.83/39,550,691,638.07 = 15,799,192,341.08/x
  3. Step 3: Cross multiply
    28,659,834,910.83x = 39,550,691,638.07 × 15,799,192,341.08
  4. Step 4: Simplify right side
    28,659,834,910.83x = 624,868,984,412,667,772,928
  5. Step 5: Solve for x
    x = 624,868,984,412,667,772,928/28,659,834,910.83
  6. Step 6: Final answer
    x = 21,802,951,285.55

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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.