Home / 521,112,044,135.77-781,220,384,789.93-181,107,048,334.61

Finding the Fourth Proportional to 521,112,044,135.77, 781,220,384,789.93 and 181,107,048,334.61

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Solution

The fourth proportional to 521,112,044,135.77, 781,220,384,789.93 and 181,107,048,334.61 is: 271,504,985,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,112,044,135.77 : 781,220,384,789.93 = 181,107,048,334.61 : x
  2. Step 2: Convert to fraction form
    521,112,044,135.77/781,220,384,789.93 = 181,107,048,334.61/x
  3. Step 3: Cross multiply
    521,112,044,135.77x = 781,220,384,789.93 × 181,107,048,334.61
  4. Step 4: Simplify right side
    521,112,044,135.77x = 141,484,517,988,132,471,177,216
  5. Step 5: Solve for x
    x = 141,484,517,988,132,471,177,216/521,112,044,135.77
  6. Step 6: Final answer
    x = 271,504,985,502.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.