Home / 352,588,928.80-528,883,393.20-209,261,696.80

Finding the Fourth Proportional to 352,588,928.80, 528,883,393.20 and 209,261,696.80

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Solution

The fourth proportional to 352,588,928.80, 528,883,393.20 and 209,261,696.80 is: 313,892,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,588,928.80 : 528,883,393.20 = 209,261,696.80 : x
  2. Step 2: Convert to fraction form
    352,588,928.80/528,883,393.20 = 209,261,696.80/x
  3. Step 3: Cross multiply
    352,588,928.80x = 528,883,393.20 × 209,261,696.80
  4. Step 4: Simplify right side
    352,588,928.80x = 110,675,036,270,373,584
  5. Step 5: Solve for x
    x = 110,675,036,270,373,584/352,588,928.80
  6. Step 6: Final answer
    x = 313,892,545.20

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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.