Home / 436,902,026.40-654,912,140.40-218,216,023.20

Finding the Fourth Proportional to 436,902,026.40, 654,912,140.40 and 218,216,023.20

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Solution

The fourth proportional to 436,902,026.40, 654,912,140.40 and 218,216,023.20 is: 327,103,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,902,026.40 : 654,912,140.40 = 218,216,023.20 : x
  2. Step 2: Convert to fraction form
    436,902,026.40/654,912,140.40 = 218,216,023.20/x
  3. Step 3: Cross multiply
    436,902,026.40x = 654,912,140.40 × 218,216,023.20
  4. Step 4: Simplify right side
    436,902,026.40x = 142,912,322,823,488,048
  5. Step 5: Solve for x
    x = 142,912,322,823,488,048/436,902,026.40
  6. Step 6: Final answer
    x = 327,103,822.34

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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.