Home / 1,445,273,160.26-1,994,476,960.95-818,741,588.20

Finding the Fourth Proportional to 1,445,273,160.26, 1,994,476,960.95 and 818,741,588.20

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Solution

The fourth proportional to 1,445,273,160.26, 1,994,476,960.95 and 818,741,588.20 is: 1,129,863,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,273,160.26 : 1,994,476,960.95 = 818,741,588.20 : x
  2. Step 2: Convert to fraction form
    1,445,273,160.26/1,994,476,960.95 = 818,741,588.20/x
  3. Step 3: Cross multiply
    1,445,273,160.26x = 1,994,476,960.95 × 818,741,588.20
  4. Step 4: Simplify right side
    1,445,273,160.26x = 1,632,961,234,626,540,032
  5. Step 5: Solve for x
    x = 1,632,961,234,626,540,032/1,445,273,160.26
  6. Step 6: Final answer
    x = 1,129,863,391.59

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Half scale
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Double scale
Find fourth proportional to 1,445,273,161.26, 1,994,476,962.33 and 818,741,589.20
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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.