Home / 894,789,726.75-1,342,232,419.82-281,421,782.19

Finding the Fourth Proportional to 894,789,726.75, 1,342,232,419.82 and 281,421,782.19

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Solution

The fourth proportional to 894,789,726.75, 1,342,232,419.82 and 281,421,782.19 is: 422,147,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,789,726.75 : 1,342,232,419.82 = 281,421,782.19 : x
  2. Step 2: Convert to fraction form
    894,789,726.75/1,342,232,419.82 = 281,421,782.19/x
  3. Step 3: Cross multiply
    894,789,726.75x = 1,342,232,419.82 × 281,421,782.19
  4. Step 4: Simplify right side
    894,789,726.75x = 377,733,439,697,533,568
  5. Step 5: Solve for x
    x = 377,733,439,697,533,568/894,789,726.75
  6. Step 6: Final answer
    x = 422,147,716.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.