Home / 405,885,400.44-560,123,389.23-220,246,416.12

Finding the Fourth Proportional to 405,885,400.44, 560,123,389.23 and 220,246,416.12

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Solution

The fourth proportional to 405,885,400.44, 560,123,389.23 and 220,246,416.12 is: 303,940,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,885,400.44 : 560,123,389.23 = 220,246,416.12 : x
  2. Step 2: Convert to fraction form
    405,885,400.44/560,123,389.23 = 220,246,416.12/x
  3. Step 3: Cross multiply
    405,885,400.44x = 560,123,389.23 × 220,246,416.12
  4. Step 4: Simplify right side
    405,885,400.44x = 123,365,169,062,895,312
  5. Step 5: Solve for x
    x = 123,365,169,062,895,312/405,885,400.44
  6. Step 6: Final answer
    x = 303,940,888.07

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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.