Home / 369,899,195.20-510,456,821.28-200,349,214.80

Finding the Fourth Proportional to 369,899,195.20, 510,456,821.28 and 200,349,214.80

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Solution

The fourth proportional to 369,899,195.20, 510,456,821.28 and 200,349,214.80 is: 276,479,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,899,195.20 : 510,456,821.28 = 200,349,214.80 : x
  2. Step 2: Convert to fraction form
    369,899,195.20/510,456,821.28 = 200,349,214.80/x
  3. Step 3: Cross multiply
    369,899,195.20x = 510,456,821.28 × 200,349,214.80
  4. Step 4: Simplify right side
    369,899,195.20x = 102,269,623,331,223,488
  5. Step 5: Solve for x
    x = 102,269,623,331,223,488/369,899,195.20
  6. Step 6: Final answer
    x = 276,479,713.01

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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.