Home / 820,361,016.71-1,230,669,688.02-267,534,868.53

Finding the Fourth Proportional to 820,361,016.71, 1,230,669,688.02 and 267,534,868.53

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Solution

The fourth proportional to 820,361,016.71, 1,230,669,688.02 and 267,534,868.53 is: 401,344,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,361,016.71 : 1,230,669,688.02 = 267,534,868.53 : x
  2. Step 2: Convert to fraction form
    820,361,016.71/1,230,669,688.02 = 267,534,868.53/x
  3. Step 3: Cross multiply
    820,361,016.71x = 1,230,669,688.02 × 267,534,868.53
  4. Step 4: Simplify right side
    820,361,016.71x = 329,247,053,186,949,184
  5. Step 5: Solve for x
    x = 329,247,053,186,949,184/820,361,016.71
  6. Step 6: Final answer
    x = 401,344,099.10

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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.