Home / 1,573,468,067.67-2,171,392,868.75-868,625,840.98

Finding the Fourth Proportional to 1,573,468,067.67, 2,171,392,868.75 and 868,625,840.98

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Solution

The fourth proportional to 1,573,468,067.67, 2,171,392,868.75 and 868,625,840.98 is: 1,198,707,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,468,067.67 : 2,171,392,868.75 = 868,625,840.98 : x
  2. Step 2: Convert to fraction form
    1,573,468,067.67/2,171,392,868.75 = 868,625,840.98/x
  3. Step 3: Cross multiply
    1,573,468,067.67x = 2,171,392,868.75 × 868,625,840.98
  4. Step 4: Simplify right side
    1,573,468,067.67x = 1,886,127,956,715,943,680
  5. Step 5: Solve for x
    x = 1,886,127,956,715,943,680/1,573,468,067.67
  6. Step 6: Final answer
    x = 1,198,707,489.19

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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.