Home / 1,571,858,563.46-2,169,171,561.33-857,409,686.33

Finding the Fourth Proportional to 1,571,858,563.46, 2,169,171,561.33 and 857,409,686.33

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Solution

The fourth proportional to 1,571,858,563.46, 2,169,171,561.33 and 857,409,686.33 is: 1,183,229,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,858,563.46 : 2,169,171,561.33 = 857,409,686.33 : x
  2. Step 2: Convert to fraction form
    1,571,858,563.46/2,169,171,561.33 = 857,409,686.33/x
  3. Step 3: Cross multiply
    1,571,858,563.46x = 2,169,171,561.33 × 857,409,686.33
  4. Step 4: Simplify right side
    1,571,858,563.46x = 1,859,868,707,985,065,728
  5. Step 5: Solve for x
    x = 1,859,868,707,985,065,728/1,571,858,563.46
  6. Step 6: Final answer
    x = 1,183,229,045.68

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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.