Home / 349,485,288.39-482,286,662.53-190,718,552.63

Finding the Fourth Proportional to 349,485,288.39, 482,286,662.53 and 190,718,552.63

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Solution

The fourth proportional to 349,485,288.39, 482,286,662.53 and 190,718,552.63 is: 263,189,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,485,288.39 : 482,286,662.53 = 190,718,552.63 : x
  2. Step 2: Convert to fraction form
    349,485,288.39/482,286,662.53 = 190,718,552.63/x
  3. Step 3: Cross multiply
    349,485,288.39x = 482,286,662.53 × 190,718,552.63
  4. Step 4: Simplify right side
    349,485,288.39x = 91,981,014,231,203,760
  5. Step 5: Solve for x
    x = 91,981,014,231,203,760/349,485,288.39
  6. Step 6: Final answer
    x = 263,189,946.15

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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.