Home / 352,464,359.09-486,413,942.43-211,358,552.87

Finding the Fourth Proportional to 352,464,359.09, 486,413,942.43 and 211,358,552.87

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Solution

The fourth proportional to 352,464,359.09, 486,413,942.43 and 211,358,552.87 is: 291,682,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,464,359.09 : 486,413,942.43 = 211,358,552.87 : x
  2. Step 2: Convert to fraction form
    352,464,359.09/486,413,942.43 = 211,358,552.87/x
  3. Step 3: Cross multiply
    352,464,359.09x = 486,413,942.43 × 211,358,552.87
  4. Step 4: Simplify right side
    352,464,359.09x = 102,807,746,965,364,224
  5. Step 5: Solve for x
    x = 102,807,746,965,364,224/352,464,359.09
  6. Step 6: Final answer
    x = 291,682,674.62

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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.