Home / 1,571,858,561.77-2,169,171,559.00-857,409,684.63

Finding the Fourth Proportional to 1,571,858,561.77, 2,169,171,559.00 and 857,409,684.63

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Solution

The fourth proportional to 1,571,858,561.77, 2,169,171,559.00 and 857,409,684.63 is: 1,183,229,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,858,561.77 : 2,169,171,559.00 = 857,409,684.63 : x
  2. Step 2: Convert to fraction form
    1,571,858,561.77/2,169,171,559.00 = 857,409,684.63/x
  3. Step 3: Cross multiply
    1,571,858,561.77x = 2,169,171,559.00 × 857,409,684.63
  4. Step 4: Simplify right side
    1,571,858,561.77x = 1,859,868,702,304,830,720
  5. Step 5: Solve for x
    x = 1,859,868,702,304,830,720/1,571,858,561.77
  6. Step 6: Final answer
    x = 1,183,229,043.34

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Double scale
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1.5x scale

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.