Home / 493,319,753.28-740,025,116.79-161,328,485.18

Finding the Fourth Proportional to 493,319,753.28, 740,025,116.79 and 161,328,485.18

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Solution

The fourth proportional to 493,319,753.28, 740,025,116.79 and 161,328,485.18 is: 242,007,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,319,753.28 : 740,025,116.79 = 161,328,485.18 : x
  2. Step 2: Convert to fraction form
    493,319,753.28/740,025,116.79 = 161,328,485.18/x
  3. Step 3: Cross multiply
    493,319,753.28x = 740,025,116.79 × 161,328,485.18
  4. Step 4: Simplify right side
    493,319,753.28x = 119,387,131,083,183,168
  5. Step 5: Solve for x
    x = 119,387,131,083,183,168/493,319,753.28
  6. Step 6: Final answer
    x = 242,007,603.16

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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.