Home / 352,081,177.60-528,121,766.40-221,984,420.80

Finding the Fourth Proportional to 352,081,177.60, 528,121,766.40 and 221,984,420.80

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Solution

The fourth proportional to 352,081,177.60, 528,121,766.40 and 221,984,420.80 is: 332,976,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,081,177.60 : 528,121,766.40 = 221,984,420.80 : x
  2. Step 2: Convert to fraction form
    352,081,177.60/528,121,766.40 = 221,984,420.80/x
  3. Step 3: Cross multiply
    352,081,177.60x = 528,121,766.40 × 221,984,420.80
  4. Step 4: Simplify right side
    352,081,177.60x = 117,234,804,426,176,896
  5. Step 5: Solve for x
    x = 117,234,804,426,176,896/352,081,177.60
  6. Step 6: Final answer
    x = 332,976,631.20

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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.