Home / 386,902,178.51-533,910,980.31-236,446,546.70

Finding the Fourth Proportional to 386,902,178.51, 533,910,980.31 and 236,446,546.70

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Solution

The fourth proportional to 386,902,178.51, 533,910,980.31 and 236,446,546.70 is: 326,287,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,902,178.51 : 533,910,980.31 = 236,446,546.70 : x
  2. Step 2: Convert to fraction form
    386,902,178.51/533,910,980.31 = 236,446,546.70/x
  3. Step 3: Cross multiply
    386,902,178.51x = 533,910,980.31 × 236,446,546.70
  4. Step 4: Simplify right side
    386,902,178.51x = 126,241,407,539,511,184
  5. Step 5: Solve for x
    x = 126,241,407,539,511,184/386,902,178.51
  6. Step 6: Final answer
    x = 326,287,662.75

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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.