Home / 427,139,593.36-589,475,525.59-238,956,661.26

Finding the Fourth Proportional to 427,139,593.36, 589,475,525.59 and 238,956,661.26

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Solution

The fourth proportional to 427,139,593.36, 589,475,525.59 and 238,956,661.26 is: 329,772,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,139,593.36 : 589,475,525.59 = 238,956,661.26 : x
  2. Step 2: Convert to fraction form
    427,139,593.36/589,475,525.59 = 238,956,661.26/x
  3. Step 3: Cross multiply
    427,139,593.36x = 589,475,525.59 × 238,956,661.26
  4. Step 4: Simplify right side
    427,139,593.36x = 140,859,103,489,470,096
  5. Step 5: Solve for x
    x = 140,859,103,489,470,096/427,139,593.36
  6. Step 6: Final answer
    x = 329,772,996.18

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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.