Home / 1,324,798,578.82-1,828,168,811.15-721,956,400.61

Finding the Fourth Proportional to 1,324,798,578.82, 1,828,168,811.15 and 721,956,400.61

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Solution

The fourth proportional to 1,324,798,578.82, 1,828,168,811.15 and 721,956,400.61 is: 996,270,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,798,578.82 : 1,828,168,811.15 = 721,956,400.61 : x
  2. Step 2: Convert to fraction form
    1,324,798,578.82/1,828,168,811.15 = 721,956,400.61/x
  3. Step 3: Cross multiply
    1,324,798,578.82x = 1,828,168,811.15 × 721,956,400.61
  4. Step 4: Simplify right side
    1,324,798,578.82x = 1,319,858,174,601,707,008
  5. Step 5: Solve for x
    x = 1,319,858,174,601,707,008/1,324,798,578.82
  6. Step 6: Final answer
    x = 996,270,826.15

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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.