Home / 353,231,494.36-487,470,295.74-196,607,302.36

Finding the Fourth Proportional to 353,231,494.36, 487,470,295.74 and 196,607,302.36

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Solution

The fourth proportional to 353,231,494.36, 487,470,295.74 and 196,607,302.36 is: 271,324,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,231,494.36 : 487,470,295.74 = 196,607,302.36 : x
  2. Step 2: Convert to fraction form
    353,231,494.36/487,470,295.74 = 196,607,302.36/x
  3. Step 3: Cross multiply
    353,231,494.36x = 487,470,295.74 × 196,607,302.36
  4. Step 4: Simplify right side
    353,231,494.36x = 95,840,219,826,072,816
  5. Step 5: Solve for x
    x = 95,840,219,826,072,816/353,231,494.36
  6. Step 6: Final answer
    x = 271,324,107.15

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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.