Home / 666,802,823.22-999,670,136.63-316,873,282.43

Finding the Fourth Proportional to 666,802,823.22, 999,670,136.63 and 316,873,282.43

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Solution

The fourth proportional to 666,802,823.22, 999,670,136.63 and 316,873,282.43 is: 475,056,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,802,823.22 : 999,670,136.63 = 316,873,282.43 : x
  2. Step 2: Convert to fraction form
    666,802,823.22/999,670,136.63 = 316,873,282.43/x
  3. Step 3: Cross multiply
    666,802,823.22x = 999,670,136.63 × 316,873,282.43
  4. Step 4: Simplify right side
    666,802,823.22x = 316,768,757,542,109,504
  5. Step 5: Solve for x
    x = 316,768,757,542,109,504/666,802,823.22
  6. Step 6: Final answer
    x = 475,056,113.31

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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.