Home / 494,864,100.82-682,900,547.70-274,847,701.78

Finding the Fourth Proportional to 494,864,100.82, 682,900,547.70 and 274,847,701.78

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Solution

The fourth proportional to 494,864,100.82, 682,900,547.70 and 274,847,701.78 is: 379,283,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,864,100.82 : 682,900,547.70 = 274,847,701.78 : x
  2. Step 2: Convert to fraction form
    494,864,100.82/682,900,547.70 = 274,847,701.78/x
  3. Step 3: Cross multiply
    494,864,100.82x = 682,900,547.70 × 274,847,701.78
  4. Step 4: Simplify right side
    494,864,100.82x = 187,693,646,079,648,256
  5. Step 5: Solve for x
    x = 187,693,646,079,648,256/494,864,100.82
  6. Step 6: Final answer
    x = 379,283,212.84

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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.