Home / 981,907,921,106.45-1,354,836,407,233.50-548,293,592,238.40

Finding the Fourth Proportional to 981,907,921,106.45, 1,354,836,407,233.50 and 548,293,592,238.40

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Solution

The fourth proportional to 981,907,921,106.45, 1,354,836,407,233.50 and 548,293,592,238.40 is: 756,535,419,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,907,921,106.45 : 1,354,836,407,233.50 = 548,293,592,238.40 : x
  2. Step 2: Convert to fraction form
    981,907,921,106.45/1,354,836,407,233.50 = 548,293,592,238.40/x
  3. Step 3: Cross multiply
    981,907,921,106.45x = 1,354,836,407,233.50 × 548,293,592,238.40
  4. Step 4: Simplify right side
    981,907,921,106.45x = 742,848,120,617,423,492,612,096
  5. Step 5: Solve for x
    x = 742,848,120,617,423,492,612,096/981,907,921,106.45
  6. Step 6: Final answer
    x = 756,535,419,105.65

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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.