Home / 1,391,016,883.92-1,919,646,498.60-764,473,926.48

Finding the Fourth Proportional to 1,391,016,883.92, 1,919,646,498.60 and 764,473,926.48

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Solution

The fourth proportional to 1,391,016,883.92, 1,919,646,498.60 and 764,473,926.48 is: 1,054,997,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,016,883.92 : 1,919,646,498.60 = 764,473,926.48 : x
  2. Step 2: Convert to fraction form
    1,391,016,883.92/1,919,646,498.60 = 764,473,926.48/x
  3. Step 3: Cross multiply
    1,391,016,883.92x = 1,919,646,498.60 × 764,473,926.48
  4. Step 4: Simplify right side
    1,391,016,883.92x = 1,467,519,696,238,325,760
  5. Step 5: Solve for x
    x = 1,467,519,696,238,325,760/1,391,016,883.92
  6. Step 6: Final answer
    x = 1,054,997,759.70

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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.