Home / 284,396,581.24-426,220,314.14-120,431,452.36

Finding the Fourth Proportional to 284,396,581.24, 426,220,314.14 and 120,431,452.36

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Solution

The fourth proportional to 284,396,581.24, 426,220,314.14 and 120,431,452.36 is: 180,488,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,396,581.24 : 426,220,314.14 = 120,431,452.36 : x
  2. Step 2: Convert to fraction form
    284,396,581.24/426,220,314.14 = 120,431,452.36/x
  3. Step 3: Cross multiply
    284,396,581.24x = 426,220,314.14 × 120,431,452.36
  4. Step 4: Simplify right side
    284,396,581.24x = 51,330,331,457,215,640
  5. Step 5: Solve for x
    x = 51,330,331,457,215,640/284,396,581.24
  6. Step 6: Final answer
    x = 180,488,567.17

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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.