Home / 1,853,100,277.60-2,780,120,910.96-857,838,830.56

Finding the Fourth Proportional to 1,853,100,277.60, 2,780,120,910.96 and 857,838,830.56

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Solution

The fourth proportional to 1,853,100,277.60, 2,780,120,910.96 and 857,838,830.56 is: 1,286,976,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,100,277.60 : 2,780,120,910.96 = 857,838,830.56 : x
  2. Step 2: Convert to fraction form
    1,853,100,277.60/2,780,120,910.96 = 857,838,830.56/x
  3. Step 3: Cross multiply
    1,853,100,277.60x = 2,780,120,910.96 × 857,838,830.56
  4. Step 4: Simplify right side
    1,853,100,277.60x = 2,384,895,671,073,328,128
  5. Step 5: Solve for x
    x = 2,384,895,671,073,328,128/1,853,100,277.60
  6. Step 6: Final answer
    x = 1,286,976,047.60

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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.