Home / 898,373,799.36-1,239,814,022.40-501,898,921.92

Finding the Fourth Proportional to 898,373,799.36, 1,239,814,022.40 and 501,898,921.92

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Solution

The fourth proportional to 898,373,799.36, 1,239,814,022.40 and 501,898,921.92 is: 692,653,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,373,799.36 : 1,239,814,022.40 = 501,898,921.92 : x
  2. Step 2: Convert to fraction form
    898,373,799.36/1,239,814,022.40 = 501,898,921.92/x
  3. Step 3: Cross multiply
    898,373,799.36x = 1,239,814,022.40 × 501,898,921.92
  4. Step 4: Simplify right side
    898,373,799.36x = 622,261,321,223,858,816
  5. Step 5: Solve for x
    x = 622,261,321,223,858,816/898,373,799.36
  6. Step 6: Final answer
    x = 692,653,015.56

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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.