Home / 829,257,419.75-1,143,617,331-648,228,317.57

Finding the Fourth Proportional to 829,257,419.75, 1,143,617,331 and 648,228,317.57

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Solution

The fourth proportional to 829,257,419.75, 1,143,617,331 and 648,228,317.57 is: 893,962,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,257,419.75 : 1,143,617,331 = 648,228,317.57 : x
  2. Step 2: Convert to fraction form
    829,257,419.75/1,143,617,331 = 648,228,317.57/x
  3. Step 3: Cross multiply
    829,257,419.75x = 1,143,617,331 × 648,228,317.57
  4. Step 4: Simplify right side
    829,257,419.75x = 741,325,138,412,305,792
  5. Step 5: Solve for x
    x = 741,325,138,412,305,792/829,257,419.75
  6. Step 6: Final answer
    x = 893,962,623.38

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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.