Home / 3,899,633,197.38-5,381,493,812.22-2,228,918,210.82

Finding the Fourth Proportional to 3,899,633,197.38, 5,381,493,812.22 and 2,228,918,210.82

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Solution

The fourth proportional to 3,899,633,197.38, 5,381,493,812.22 and 2,228,918,210.82 is: 3,075,907,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,633,197.38 : 5,381,493,812.22 = 2,228,918,210.82 : x
  2. Step 2: Convert to fraction form
    3,899,633,197.38/5,381,493,812.22 = 2,228,918,210.82/x
  3. Step 3: Cross multiply
    3,899,633,197.38x = 5,381,493,812.22 × 2,228,918,210.82
  4. Step 4: Simplify right side
    3,899,633,197.38x = 11,994,909,559,472,304,128
  5. Step 5: Solve for x
    x = 11,994,909,559,472,304,128/3,899,633,197.38
  6. Step 6: Final answer
    x = 3,075,907,130.84

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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.