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Finding the Fourth Proportional to 898,646,692.80, 1,347,970,039.20 and 762,597,796.80

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Solution

The fourth proportional to 898,646,692.80, 1,347,970,039.20 and 762,597,796.80 is: 1,143,896,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,646,692.80 : 1,347,970,039.20 = 762,597,796.80 : x
  2. Step 2: Convert to fraction form
    898,646,692.80/1,347,970,039.20 = 762,597,796.80/x
  3. Step 3: Cross multiply
    898,646,692.80x = 1,347,970,039.20 × 762,597,796.80
  4. Step 4: Simplify right side
    898,646,692.80x = 1,027,958,982,046,329,600
  5. Step 5: Solve for x
    x = 1,027,958,982,046,329,600/898,646,692.80
  6. Step 6: Final answer
    x = 1,143,896,695.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.