Home / 1,571,858,564.97-2,169,171,563.40-857,409,687.81

Finding the Fourth Proportional to 1,571,858,564.97, 2,169,171,563.40 and 857,409,687.81

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Solution

The fourth proportional to 1,571,858,564.97, 2,169,171,563.40 and 857,409,687.81 is: 1,183,229,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,858,564.97 : 2,169,171,563.40 = 857,409,687.81 : x
  2. Step 2: Convert to fraction form
    1,571,858,564.97/2,169,171,563.40 = 857,409,687.81/x
  3. Step 3: Cross multiply
    1,571,858,564.97x = 2,169,171,563.40 × 857,409,687.81
  4. Step 4: Simplify right side
    1,571,858,564.97x = 1,859,868,712,981,123,584
  5. Step 5: Solve for x
    x = 1,859,868,712,981,123,584/1,571,858,564.97
  6. Step 6: Final answer
    x = 1,183,229,047.72

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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.