Home / 392,745,394.26-589,121,044.52-174,337,019.78

Finding the Fourth Proportional to 392,745,394.26, 589,121,044.52 and 174,337,019.78

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Solution

The fourth proportional to 392,745,394.26, 589,121,044.52 and 174,337,019.78 is: 261,506,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,745,394.26 : 589,121,044.52 = 174,337,019.78 : x
  2. Step 2: Convert to fraction form
    392,745,394.26/589,121,044.52 = 174,337,019.78/x
  3. Step 3: Cross multiply
    392,745,394.26x = 589,121,044.52 × 174,337,019.78
  4. Step 4: Simplify right side
    392,745,394.26x = 102,705,607,187,480,208
  5. Step 5: Solve for x
    x = 102,705,607,187,480,208/392,745,394.26
  6. Step 6: Final answer
    x = 261,506,840.53

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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.