Home / 358,554,928.68-494,799,082.30-219,315,462.12

Finding the Fourth Proportional to 358,554,928.68, 494,799,082.30 and 219,315,462.12

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Solution

The fourth proportional to 358,554,928.68, 494,799,082.30 and 219,315,462.12 is: 302,651,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,554,928.68 : 494,799,082.30 = 219,315,462.12 : x
  2. Step 2: Convert to fraction form
    358,554,928.68/494,799,082.30 = 219,315,462.12/x
  3. Step 3: Cross multiply
    358,554,928.68x = 494,799,082.30 × 219,315,462.12
  4. Step 4: Simplify right side
    358,554,928.68x = 108,517,089,388,154,144
  5. Step 5: Solve for x
    x = 108,517,089,388,154,144/358,554,928.68
  6. Step 6: Final answer
    x = 302,651,227.77

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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.