Home / 331,769,009.40-497,653,514.10-168,510,334.20

Finding the Fourth Proportional to 331,769,009.40, 497,653,514.10 and 168,510,334.20

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Solution

The fourth proportional to 331,769,009.40, 497,653,514.10 and 168,510,334.20 is: 252,765,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,769,009.40 : 497,653,514.10 = 168,510,334.20 : x
  2. Step 2: Convert to fraction form
    331,769,009.40/497,653,514.10 = 168,510,334.20/x
  3. Step 3: Cross multiply
    331,769,009.40x = 497,653,514.10 × 168,510,334.20
  4. Step 4: Simplify right side
    331,769,009.40x = 83,859,759,976,795,408
  5. Step 5: Solve for x
    x = 83,859,759,976,795,408/331,769,009.40
  6. Step 6: Final answer
    x = 252,765,501.30

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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.