Home / 497,786,008.35-686,944,758.78-274,767,732.07

Finding the Fourth Proportional to 497,786,008.35, 686,944,758.78 and 274,767,732.07

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Solution

The fourth proportional to 497,786,008.35, 686,944,758.78 and 274,767,732.07 is: 379,179,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,786,008.35 : 686,944,758.78 = 274,767,732.07 : x
  2. Step 2: Convert to fraction form
    497,786,008.35/686,944,758.78 = 274,767,732.07/x
  3. Step 3: Cross multiply
    497,786,008.35x = 686,944,758.78 × 274,767,732.07
  4. Step 4: Simplify right side
    497,786,008.35x = 188,750,253,423,919,072
  5. Step 5: Solve for x
    x = 188,750,253,423,919,072/497,786,008.35
  6. Step 6: Final answer
    x = 379,179,507.37

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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.