Home / 1,165,338,521.96-1,608,148,392.54-636,691,156.88

Finding the Fourth Proportional to 1,165,338,521.96, 1,608,148,392.54 and 636,691,156.88

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Solution

The fourth proportional to 1,165,338,521.96, 1,608,148,392.54 and 636,691,156.88 is: 878,623,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,338,521.96 : 1,608,148,392.54 = 636,691,156.88 : x
  2. Step 2: Convert to fraction form
    1,165,338,521.96/1,608,148,392.54 = 636,691,156.88/x
  3. Step 3: Cross multiply
    1,165,338,521.96x = 1,608,148,392.54 × 636,691,156.88
  4. Step 4: Simplify right side
    1,165,338,521.96x = 1,023,893,860,481,004,928
  5. Step 5: Solve for x
    x = 1,023,893,860,481,004,928/1,165,338,521.96
  6. Step 6: Final answer
    x = 878,623,542.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.