Home / 369,899,198.45-510,456,825.77-200,349,218.06

Finding the Fourth Proportional to 369,899,198.45, 510,456,825.77 and 200,349,218.06

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Solution

The fourth proportional to 369,899,198.45, 510,456,825.77 and 200,349,218.06 is: 276,479,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,899,198.45 : 510,456,825.77 = 200,349,218.06 : x
  2. Step 2: Convert to fraction form
    369,899,198.45/510,456,825.77 = 200,349,218.06/x
  3. Step 3: Cross multiply
    369,899,198.45x = 510,456,825.77 × 200,349,218.06
  4. Step 4: Simplify right side
    369,899,198.45x = 102,269,625,896,409,152
  5. Step 5: Solve for x
    x = 102,269,625,896,409,152/369,899,198.45
  6. Step 6: Final answer
    x = 276,479,717.51

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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.