Home / 328,094,007.20-492,141,010.80-322,992,173.60

Finding the Fourth Proportional to 328,094,007.20, 492,141,010.80 and 322,992,173.60

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Solution

The fourth proportional to 328,094,007.20, 492,141,010.80 and 322,992,173.60 is: 484,488,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,094,007.20 : 492,141,010.80 = 322,992,173.60 : x
  2. Step 2: Convert to fraction form
    328,094,007.20/492,141,010.80 = 322,992,173.60/x
  3. Step 3: Cross multiply
    328,094,007.20x = 492,141,010.80 × 322,992,173.60
  4. Step 4: Simplify right side
    328,094,007.20x = 158,957,694,795,993,088
  5. Step 5: Solve for x
    x = 158,957,694,795,993,088/328,094,007.20
  6. Step 6: Final answer
    x = 484,488,260.40

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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.