Home / 836,825,480.40-1,255,419,807.36-254,544,592.26

Finding the Fourth Proportional to 836,825,480.40, 1,255,419,807.36 and 254,544,592.26

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Solution

The fourth proportional to 836,825,480.40, 1,255,419,807.36 and 254,544,592.26 is: 381,872,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,825,480.40 : 1,255,419,807.36 = 254,544,592.26 : x
  2. Step 2: Convert to fraction form
    836,825,480.40/1,255,419,807.36 = 254,544,592.26/x
  3. Step 3: Cross multiply
    836,825,480.40x = 1,255,419,807.36 × 254,544,592.26
  4. Step 4: Simplify right side
    836,825,480.40x = 319,560,322,979,578,880
  5. Step 5: Solve for x
    x = 319,560,322,979,578,880/836,825,480.40
  6. Step 6: Final answer
    x = 381,872,123.24

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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.