Home / 1,224,160,887.40-1,836,241,331.10-1,212,681,761.80

Finding the Fourth Proportional to 1,224,160,887.40, 1,836,241,331.10 and 1,212,681,761.80

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Solution

The fourth proportional to 1,224,160,887.40, 1,836,241,331.10 and 1,212,681,761.80 is: 1,819,022,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,160,887.40 : 1,836,241,331.10 = 1,212,681,761.80 : x
  2. Step 2: Convert to fraction form
    1,224,160,887.40/1,836,241,331.10 = 1,212,681,761.80/x
  3. Step 3: Cross multiply
    1,224,160,887.40x = 1,836,241,331.10 × 1,212,681,761.80
  4. Step 4: Simplify right side
    1,224,160,887.40x = 2,226,776,372,488,324,864
  5. Step 5: Solve for x
    x = 2,226,776,372,488,324,864/1,224,160,887.40
  6. Step 6: Final answer
    x = 1,819,022,642.70

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Double scale
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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.