Home / 422,128,341.71-582,537,167.79-233,968,770.35

Finding the Fourth Proportional to 422,128,341.71, 582,537,167.79 and 233,968,770.35

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Solution

The fourth proportional to 422,128,341.71, 582,537,167.79 and 233,968,770.35 is: 322,876,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,128,341.71 : 582,537,167.79 = 233,968,770.35 : x
  2. Step 2: Convert to fraction form
    422,128,341.71/582,537,167.79 = 233,968,770.35/x
  3. Step 3: Cross multiply
    422,128,341.71x = 582,537,167.79 × 233,968,770.35
  4. Step 4: Simplify right side
    422,128,341.71x = 136,295,504,830,997,920
  5. Step 5: Solve for x
    x = 136,295,504,830,997,920/422,128,341.71
  6. Step 6: Final answer
    x = 322,876,934.25

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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.