Home / 405,012,081,809.20-558,865,302,098.50-222,061,040,256.80

Finding the Fourth Proportional to 405,012,081,809.20, 558,865,302,098.50 and 222,061,040,256.80

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Solution

The fourth proportional to 405,012,081,809.20, 558,865,302,098.50 and 222,061,040,256.80 is: 306,416,069,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,012,081,809.20 : 558,865,302,098.50 = 222,061,040,256.80 : x
  2. Step 2: Convert to fraction form
    405,012,081,809.20/558,865,302,098.50 = 222,061,040,256.80/x
  3. Step 3: Cross multiply
    405,012,081,809.20x = 558,865,302,098.50 × 222,061,040,256.80
  4. Step 4: Simplify right side
    405,012,081,809.20x = 124,102,210,347,423,693,275,136
  5. Step 5: Solve for x
    x = 124,102,210,347,423,693,275,136/405,012,081,809.20
  6. Step 6: Final answer
    x = 306,416,069,844.28

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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.