Home / 401,122,588.68-601,737,422.40-158,728,805.64

Finding the Fourth Proportional to 401,122,588.68, 601,737,422.40 and 158,728,805.64

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Solution

The fourth proportional to 401,122,588.68, 601,737,422.40 and 158,728,805.64 is: 238,114,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,122,588.68 : 601,737,422.40 = 158,728,805.64 : x
  2. Step 2: Convert to fraction form
    401,122,588.68/601,737,422.40 = 158,728,805.64/x
  3. Step 3: Cross multiply
    401,122,588.68x = 601,737,422.40 × 158,728,805.64
  4. Step 4: Simplify right side
    401,122,588.68x = 95,513,062,366,444,176
  5. Step 5: Solve for x
    x = 95,513,062,366,444,176/401,122,588.68
  6. Step 6: Final answer
    x = 238,114,394.61

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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.