Home / 471,659,877.76-650,881,912.89-257,080,371.52

Finding the Fourth Proportional to 471,659,877.76, 650,881,912.89 and 257,080,371.52

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Solution

The fourth proportional to 471,659,877.76, 650,881,912.89 and 257,080,371.52 is: 354,766,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,659,877.76 : 650,881,912.89 = 257,080,371.52 : x
  2. Step 2: Convert to fraction form
    471,659,877.76/650,881,912.89 = 257,080,371.52/x
  3. Step 3: Cross multiply
    471,659,877.76x = 650,881,912.89 × 257,080,371.52
  4. Step 4: Simplify right side
    471,659,877.76x = 167,328,963,981,409,472
  5. Step 5: Solve for x
    x = 167,328,963,981,409,472/471,659,877.76
  6. Step 6: Final answer
    x = 354,766,160.68

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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.