Home / 368,724,032.26-508,833,145.11-201,456,693.88

Finding the Fourth Proportional to 368,724,032.26, 508,833,145.11 and 201,456,693.88

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Solution

The fourth proportional to 368,724,032.26, 508,833,145.11 and 201,456,693.88 is: 278,006,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,724,032.26 : 508,833,145.11 = 201,456,693.88 : x
  2. Step 2: Convert to fraction form
    368,724,032.26/508,833,145.11 = 201,456,693.88/x
  3. Step 3: Cross multiply
    368,724,032.26x = 508,833,145.11 × 201,456,693.88
  4. Step 4: Simplify right side
    368,724,032.26x = 102,507,843,150,422,896
  5. Step 5: Solve for x
    x = 102,507,843,150,422,896/368,724,032.26
  6. Step 6: Final answer
    x = 278,006,948.78

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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.