Home / 498,374,983.30-687,764,692.65-275,361,795.94

Finding the Fourth Proportional to 498,374,983.30, 687,764,692.65 and 275,361,795.94

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Solution

The fourth proportional to 498,374,983.30, 687,764,692.65 and 275,361,795.94 is: 380,003,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,374,983.30 : 687,764,692.65 = 275,361,795.94 : x
  2. Step 2: Convert to fraction form
    498,374,983.30/687,764,692.65 = 275,361,795.94/x
  3. Step 3: Cross multiply
    498,374,983.30x = 687,764,692.65 × 275,361,795.94
  4. Step 4: Simplify right side
    498,374,983.30x = 189,384,120,952,226,112
  5. Step 5: Solve for x
    x = 189,384,120,952,226,112/498,374,983.30
  6. Step 6: Final answer
    x = 380,003,265.21

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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.