Home / 298,414,540-447,601,264.08-183,416,831.20

Finding the Fourth Proportional to 298,414,540, 447,601,264.08 and 183,416,831.20

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Solution

The fourth proportional to 298,414,540, 447,601,264.08 and 183,416,831.20 is: 275,112,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,414,540 : 447,601,264.08 = 183,416,831.20 : x
  2. Step 2: Convert to fraction form
    298,414,540/447,601,264.08 = 183,416,831.20/x
  3. Step 3: Cross multiply
    298,414,540x = 447,601,264.08 × 183,416,831.20
  4. Step 4: Simplify right side
    298,414,540x = 82,097,605,498,667,968
  5. Step 5: Solve for x
    x = 82,097,605,498,667,968/298,414,540
  6. Step 6: Final answer
    x = 275,112,618.50

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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.