Home / 524,880,969.40-787,321,454.10-161,328,086.20

Finding the Fourth Proportional to 524,880,969.40, 787,321,454.10 and 161,328,086.20

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Solution

The fourth proportional to 524,880,969.40, 787,321,454.10 and 161,328,086.20 is: 241,992,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,880,969.40 : 787,321,454.10 = 161,328,086.20 : x
  2. Step 2: Convert to fraction form
    524,880,969.40/787,321,454.10 = 161,328,086.20/x
  3. Step 3: Cross multiply
    524,880,969.40x = 787,321,454.10 × 161,328,086.20
  4. Step 4: Simplify right side
    524,880,969.40x = 127,017,063,414,154,144
  5. Step 5: Solve for x
    x = 127,017,063,414,154,144/524,880,969.40
  6. Step 6: Final answer
    x = 241,992,129.30

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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.