Home / 1,035,333,578.12-1,428,795,591.77-612,309,863.61

Finding the Fourth Proportional to 1,035,333,578.12, 1,428,795,591.77 and 612,309,863.61

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Solution

The fourth proportional to 1,035,333,578.12, 1,428,795,591.77 and 612,309,863.61 is: 845,008,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,333,578.12 : 1,428,795,591.77 = 612,309,863.61 : x
  2. Step 2: Convert to fraction form
    1,035,333,578.12/1,428,795,591.77 = 612,309,863.61/x
  3. Step 3: Cross multiply
    1,035,333,578.12x = 1,428,795,591.77 × 612,309,863.61
  4. Step 4: Simplify right side
    1,035,333,578.12x = 874,865,633,924,788,736
  5. Step 5: Solve for x
    x = 874,865,633,924,788,736/1,035,333,578.12
  6. Step 6: Final answer
    x = 845,008,461.44

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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.