Home / 368,584,279.23-508,642,956.69-201,320,505.65

Finding the Fourth Proportional to 368,584,279.23, 508,642,956.69 and 201,320,505.65

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Solution

The fourth proportional to 368,584,279.23, 508,642,956.69 and 201,320,505.65 is: 277,820,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,584,279.23 : 508,642,956.69 = 201,320,505.65 : x
  2. Step 2: Convert to fraction form
    368,584,279.23/508,642,956.69 = 201,320,505.65/x
  3. Step 3: Cross multiply
    368,584,279.23x = 508,642,956.69 × 201,320,505.65
  4. Step 4: Simplify right side
    368,584,279.23x = 102,400,257,236,141,856
  5. Step 5: Solve for x
    x = 102,400,257,236,141,856/368,584,279.23
  6. Step 6: Final answer
    x = 277,820,468.77

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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.