Home / 783,906,636.88-1,081,749,993.54-431,415,255.23

Finding the Fourth Proportional to 783,906,636.88, 1,081,749,993.54 and 431,415,255.23

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Solution

The fourth proportional to 783,906,636.88, 1,081,749,993.54 and 431,415,255.23 is: 595,330,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,906,636.88 : 1,081,749,993.54 = 431,415,255.23 : x
  2. Step 2: Convert to fraction form
    783,906,636.88/1,081,749,993.54 = 431,415,255.23/x
  3. Step 3: Cross multiply
    783,906,636.88x = 1,081,749,993.54 × 431,415,255.23
  4. Step 4: Simplify right side
    783,906,636.88x = 466,683,449,557,566,592
  5. Step 5: Solve for x
    x = 466,683,449,557,566,592/783,906,636.88
  6. Step 6: Final answer
    x = 595,330,397.27

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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.