Home / 465,122,706.95-641,667,664.73-276,845,422.43

Finding the Fourth Proportional to 465,122,706.95, 641,667,664.73 and 276,845,422.43

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Solution

The fourth proportional to 465,122,706.95, 641,667,664.73 and 276,845,422.43 is: 381,926,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,122,706.95 : 641,667,664.73 = 276,845,422.43 : x
  2. Step 2: Convert to fraction form
    465,122,706.95/641,667,664.73 = 276,845,422.43/x
  3. Step 3: Cross multiply
    465,122,706.95x = 641,667,664.73 × 276,845,422.43
  4. Step 4: Simplify right side
    465,122,706.95x = 177,642,755,699,332,224
  5. Step 5: Solve for x
    x = 177,642,755,699,332,224/465,122,706.95
  6. Step 6: Final answer
    x = 381,926,646.55

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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.