Home / 385,337,273.25-531,765,714.51-209,125,223.04

Finding the Fourth Proportional to 385,337,273.25, 531,765,714.51 and 209,125,223.04

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Solution

The fourth proportional to 385,337,273.25, 531,765,714.51 and 209,125,223.04 is: 288,592,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,337,273.25 : 531,765,714.51 = 209,125,223.04 : x
  2. Step 2: Convert to fraction form
    385,337,273.25/531,765,714.51 = 209,125,223.04/x
  3. Step 3: Cross multiply
    385,337,273.25x = 531,765,714.51 × 209,125,223.04
  4. Step 4: Simplify right side
    385,337,273.25x = 111,205,623,651,928,704
  5. Step 5: Solve for x
    x = 111,205,623,651,928,704/385,337,273.25
  6. Step 6: Final answer
    x = 288,592,958.36

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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.