Home / 348,431,751.16-480,845,728.62-189,672,112.65

Finding the Fourth Proportional to 348,431,751.16, 480,845,728.62 and 189,672,112.65

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Solution

The fourth proportional to 348,431,751.16, 480,845,728.62 and 189,672,112.65 is: 261,752,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,431,751.16 : 480,845,728.62 = 189,672,112.65 : x
  2. Step 2: Convert to fraction form
    348,431,751.16/480,845,728.62 = 189,672,112.65/x
  3. Step 3: Cross multiply
    348,431,751.16x = 480,845,728.62 × 189,672,112.65
  4. Step 4: Simplify right side
    348,431,751.16x = 91,203,025,207,887,136
  5. Step 5: Solve for x
    x = 91,203,025,207,887,136/348,431,751.16
  6. Step 6: Final answer
    x = 261,752,911.17

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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.