Home / 405,651,696.18-559,812,012.64-229,436,243.36

Finding the Fourth Proportional to 405,651,696.18, 559,812,012.64 and 229,436,243.36

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Solution

The fourth proportional to 405,651,696.18, 559,812,012.64 and 229,436,243.36 is: 316,629,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,651,696.18 : 559,812,012.64 = 229,436,243.36 : x
  2. Step 2: Convert to fraction form
    405,651,696.18/559,812,012.64 = 229,436,243.36/x
  3. Step 3: Cross multiply
    405,651,696.18x = 559,812,012.64 × 229,436,243.36
  4. Step 4: Simplify right side
    405,651,696.18x = 128,441,165,167,922,448
  5. Step 5: Solve for x
    x = 128,441,165,167,922,448/405,651,696.18
  6. Step 6: Final answer
    x = 316,629,183.06

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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.