Home / 385,337,270.25-531,765,710.37-209,125,220.04

Finding the Fourth Proportional to 385,337,270.25, 531,765,710.37 and 209,125,220.04

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Solution

The fourth proportional to 385,337,270.25, 531,765,710.37 and 209,125,220.04 is: 288,592,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,337,270.25 : 531,765,710.37 = 209,125,220.04 : x
  2. Step 2: Convert to fraction form
    385,337,270.25/531,765,710.37 = 209,125,220.04/x
  3. Step 3: Cross multiply
    385,337,270.25x = 531,765,710.37 × 209,125,220.04
  4. Step 4: Simplify right side
    385,337,270.25x = 111,205,621,190,853,152
  5. Step 5: Solve for x
    x = 111,205,621,190,853,152/385,337,270.25
  6. Step 6: Final answer
    x = 288,592,954.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.