Home / 352,192,005.80-528,288,008.70-229,747,999.40

Finding the Fourth Proportional to 352,192,005.80, 528,288,008.70 and 229,747,999.40

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Solution

The fourth proportional to 352,192,005.80, 528,288,008.70 and 229,747,999.40 is: 344,621,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,192,005.80 : 528,288,008.70 = 229,747,999.40 : x
  2. Step 2: Convert to fraction form
    352,192,005.80/528,288,008.70 = 229,747,999.40/x
  3. Step 3: Cross multiply
    352,192,005.80x = 528,288,008.70 × 229,747,999.40
  4. Step 4: Simplify right side
    352,192,005.80x = 121,373,113,105,834,800
  5. Step 5: Solve for x
    x = 121,373,113,105,834,800/352,192,005.80
  6. Step 6: Final answer
    x = 344,621,999.10

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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.