Home / 361,395,135.16-498,724,904.94-196,382,309.56

Finding the Fourth Proportional to 361,395,135.16, 498,724,904.94 and 196,382,309.56

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Solution

The fourth proportional to 361,395,135.16, 498,724,904.94 and 196,382,309.56 is: 271,007,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,395,135.16 : 498,724,904.94 = 196,382,309.56 : x
  2. Step 2: Convert to fraction form
    361,395,135.16/498,724,904.94 = 196,382,309.56/x
  3. Step 3: Cross multiply
    361,395,135.16x = 498,724,904.94 × 196,382,309.56
  4. Step 4: Simplify right side
    361,395,135.16x = 97,940,748,667,208,656
  5. Step 5: Solve for x
    x = 97,940,748,667,208,656/361,395,135.16
  6. Step 6: Final answer
    x = 271,007,379.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.