Home / 1,573,468,071.80-2,171,392,874.44-868,625,845.10

Finding the Fourth Proportional to 1,573,468,071.80, 2,171,392,874.44 and 868,625,845.10

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Solution

The fourth proportional to 1,573,468,071.80, 2,171,392,874.44 and 868,625,845.10 is: 1,198,707,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,468,071.80 : 2,171,392,874.44 = 868,625,845.10 : x
  2. Step 2: Convert to fraction form
    1,573,468,071.80/2,171,392,874.44 = 868,625,845.10/x
  3. Step 3: Cross multiply
    1,573,468,071.80x = 2,171,392,874.44 × 868,625,845.10
  4. Step 4: Simplify right side
    1,573,468,071.80x = 1,886,127,970,604,563,200
  5. Step 5: Solve for x
    x = 1,886,127,970,604,563,200/1,573,468,071.80
  6. Step 6: Final answer
    x = 1,198,707,494.87

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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.