Home / 392,308,392.40-588,588,559.80-173,874,331.60

Finding the Fourth Proportional to 392,308,392.40, 588,588,559.80 and 173,874,331.60

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Solution

The fourth proportional to 392,308,392.40, 588,588,559.80 and 173,874,331.60 is: 260,867,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,308,392.40 : 588,588,559.80 = 173,874,331.60 : x
  2. Step 2: Convert to fraction form
    392,308,392.40/588,588,559.80 = 173,874,331.60/x
  3. Step 3: Cross multiply
    392,308,392.40x = 588,588,559.80 × 173,874,331.60
  4. Step 4: Simplify right side
    392,308,392.40x = 102,340,442,422,631,616
  5. Step 5: Solve for x
    x = 102,340,442,422,631,616/392,308,392.40
  6. Step 6: Final answer
    x = 260,867,328.88

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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.