Home / 981,907,921,106.40-1,354,836,407,233.40-548,293,592,238.25

Finding the Fourth Proportional to 981,907,921,106.40, 1,354,836,407,233.40 and 548,293,592,238.25

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Solution

The fourth proportional to 981,907,921,106.40, 1,354,836,407,233.40 and 548,293,592,238.25 is: 756,535,419,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,907,921,106.40 : 1,354,836,407,233.40 = 548,293,592,238.25 : x
  2. Step 2: Convert to fraction form
    981,907,921,106.40/1,354,836,407,233.40 = 548,293,592,238.25/x
  3. Step 3: Cross multiply
    981,907,921,106.40x = 1,354,836,407,233.40 × 548,293,592,238.25
  4. Step 4: Simplify right side
    981,907,921,106.40x = 742,848,120,617,165,391,921,152
  5. Step 5: Solve for x
    x = 742,848,120,617,165,391,921,152/981,907,921,106.40
  6. Step 6: Final answer
    x = 756,535,419,105.42

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Double scale
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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.