Home / 867,588,760.74-1,301,380,302.57-314,890,452.43

Finding the Fourth Proportional to 867,588,760.74, 1,301,380,302.57 and 314,890,452.43

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Solution

The fourth proportional to 867,588,760.74, 1,301,380,302.57 and 314,890,452.43 is: 472,334,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,588,760.74 : 1,301,380,302.57 = 314,890,452.43 : x
  2. Step 2: Convert to fraction form
    867,588,760.74/1,301,380,302.57 = 314,890,452.43/x
  3. Step 3: Cross multiply
    867,588,760.74x = 1,301,380,302.57 × 314,890,452.43
  4. Step 4: Simplify right side
    867,588,760.74x = 409,792,232,259,757,568
  5. Step 5: Solve for x
    x = 409,792,232,259,757,568/867,588,760.74
  6. Step 6: Final answer
    x = 472,334,648.40

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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.