Home / 2,825,377,197.14-3,899,391,809.28-1,620,190,078.22

Finding the Fourth Proportional to 2,825,377,197.14, 3,899,391,809.28 and 1,620,190,078.22

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Solution

The fourth proportional to 2,825,377,197.14, 3,899,391,809.28 and 1,620,190,078.22 is: 2,236,075,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,377,197.14 : 3,899,391,809.28 = 1,620,190,078.22 : x
  2. Step 2: Convert to fraction form
    2,825,377,197.14/3,899,391,809.28 = 1,620,190,078.22/x
  3. Step 3: Cross multiply
    2,825,377,197.14x = 3,899,391,809.28 × 1,620,190,078.22
  4. Step 4: Simplify right side
    2,825,377,197.14x = 6,317,755,920,487,790,592
  5. Step 5: Solve for x
    x = 6,317,755,920,487,790,592/2,825,377,197.14
  6. Step 6: Final answer
    x = 2,236,075,213.92

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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.