Home / 378,082,537,273.54-521,755,473,416.85-204,467,676,717.82

Finding the Fourth Proportional to 378,082,537,273.54, 521,755,473,416.85 and 204,467,676,717.82

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Solution

The fourth proportional to 378,082,537,273.54, 521,755,473,416.85 and 204,467,676,717.82 is: 282,166,243,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,082,537,273.54 : 521,755,473,416.85 = 204,467,676,717.82 : x
  2. Step 2: Convert to fraction form
    378,082,537,273.54/521,755,473,416.85 = 204,467,676,717.82/x
  3. Step 3: Cross multiply
    378,082,537,273.54x = 521,755,473,416.85 × 204,467,676,717.82
  4. Step 4: Simplify right side
    378,082,537,273.54x = 106,682,129,464,349,606,019,072
  5. Step 5: Solve for x
    x = 106,682,129,464,349,606,019,072/378,082,537,273.54
  6. Step 6: Final answer
    x = 282,166,243,999.70

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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.