Home / 405,120,195.09-559,068,553.31-219,481,210.98

Finding the Fourth Proportional to 405,120,195.09, 559,068,553.31 and 219,481,210.98

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Solution

The fourth proportional to 405,120,195.09, 559,068,553.31 and 219,481,210.98 is: 302,885,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,120,195.09 : 559,068,553.31 = 219,481,210.98 : x
  2. Step 2: Convert to fraction form
    405,120,195.09/559,068,553.31 = 219,481,210.98/x
  3. Step 3: Cross multiply
    405,120,195.09x = 559,068,553.31 × 219,481,210.98
  4. Step 4: Simplify right side
    405,120,195.09x = 122,705,043,100,218,064
  5. Step 5: Solve for x
    x = 122,705,043,100,218,064/405,120,195.09
  6. Step 6: Final answer
    x = 302,885,525.30

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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.