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Finding the Fourth Proportional to 576,069,692.77, 794,978,679.30 and 311,751,707.97

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Solution

The fourth proportional to 576,069,692.77, 794,978,679.30 and 311,751,707.97 is: 430,218,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,069,692.77 : 794,978,679.30 = 311,751,707.97 : x
  2. Step 2: Convert to fraction form
    576,069,692.77/794,978,679.30 = 311,751,707.97/x
  3. Step 3: Cross multiply
    576,069,692.77x = 794,978,679.30 × 311,751,707.97
  4. Step 4: Simplify right side
    576,069,692.77x = 247,835,961,068,843,104
  5. Step 5: Solve for x
    x = 247,835,961,068,843,104/576,069,692.77
  6. Step 6: Final answer
    x = 430,218,711.70

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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.