Home / 828,511,113.87-1,143,372,049.65-471,269,664.18

Finding the Fourth Proportional to 828,511,113.87, 1,143,372,049.65 and 471,269,664.18

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Solution

The fourth proportional to 828,511,113.87, 1,143,372,049.65 and 471,269,664.18 is: 650,367,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,511,113.87 : 1,143,372,049.65 = 471,269,664.18 : x
  2. Step 2: Convert to fraction form
    828,511,113.87/1,143,372,049.65 = 471,269,664.18/x
  3. Step 3: Cross multiply
    828,511,113.87x = 1,143,372,049.65 × 471,269,664.18
  4. Step 4: Simplify right side
    828,511,113.87x = 538,836,561,871,353,856
  5. Step 5: Solve for x
    x = 538,836,561,871,353,856/828,511,113.87
  6. Step 6: Final answer
    x = 650,367,331.05

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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.