Home / 392,440,718.67-588,630,187.88-171,106,835.29

Finding the Fourth Proportional to 392,440,718.67, 588,630,187.88 and 171,106,835.29

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Solution

The fourth proportional to 392,440,718.67, 588,630,187.88 and 171,106,835.29 is: 256,646,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,440,718.67 : 588,630,187.88 = 171,106,835.29 : x
  2. Step 2: Convert to fraction form
    392,440,718.67/588,630,187.88 = 171,106,835.29/x
  3. Step 3: Cross multiply
    392,440,718.67x = 588,630,187.88 × 171,106,835.29
  4. Step 4: Simplify right side
    392,440,718.67x = 100,718,648,604,304,912
  5. Step 5: Solve for x
    x = 100,718,648,604,304,912/392,440,718.67
  6. Step 6: Final answer
    x = 256,646,784.63

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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.