Home / 1,277,100,018,876-1,762,409,016,584.70-728,419,116,007.36

Finding the Fourth Proportional to 1,277,100,018,876, 1,762,409,016,584.70 and 728,419,116,007.36

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Solution

The fourth proportional to 1,277,100,018,876, 1,762,409,016,584.70 and 728,419,116,007.36 is: 1,005,224,648,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,100,018,876 : 1,762,409,016,584.70 = 728,419,116,007.36 : x
  2. Step 2: Convert to fraction form
    1,277,100,018,876/1,762,409,016,584.70 = 728,419,116,007.36/x
  3. Step 3: Cross multiply
    1,277,100,018,876x = 1,762,409,016,584.70 × 728,419,116,007.36
  4. Step 4: Simplify right side
    1,277,100,018,876x = 1,283,772,417,904,027,856,011,264
  5. Step 5: Solve for x
    x = 1,283,772,417,904,027,856,011,264/1,277,100,018,876
  6. Step 6: Final answer
    x = 1,005,224,648,758.44

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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.