Home / 378,082,537,185.64-521,755,473,294.46-204,467,676,629.43

Finding the Fourth Proportional to 378,082,537,185.64, 521,755,473,294.46 and 204,467,676,629.43

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Solution

The fourth proportional to 378,082,537,185.64, 521,755,473,294.46 and 204,467,676,629.43 is: 282,166,243,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,082,537,185.64 : 521,755,473,294.46 = 204,467,676,629.43 : x
  2. Step 2: Convert to fraction form
    378,082,537,185.64/521,755,473,294.46 = 204,467,676,629.43/x
  3. Step 3: Cross multiply
    378,082,537,185.64x = 521,755,473,294.46 × 204,467,676,629.43
  4. Step 4: Simplify right side
    378,082,537,185.64x = 106,682,129,393,206,844,981,248
  5. Step 5: Solve for x
    x = 106,682,129,393,206,844,981,248/378,082,537,185.64
  6. Step 6: Final answer
    x = 282,166,243,877.13

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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.