Home / 5,273,574,495.39-7,274,222,517.78-3,128,662,593.18

Finding the Fourth Proportional to 5,273,574,495.39, 7,274,222,517.78 and 3,128,662,593.18

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Solution

The fourth proportional to 5,273,574,495.39, 7,274,222,517.78 and 3,128,662,593.18 is: 4,315,590,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273,574,495.39 : 7,274,222,517.78 = 3,128,662,593.18 : x
  2. Step 2: Convert to fraction form
    5,273,574,495.39/7,274,222,517.78 = 3,128,662,593.18/x
  3. Step 3: Cross multiply
    5,273,574,495.39x = 7,274,222,517.78 × 3,128,662,593.18
  4. Step 4: Simplify right side
    5,273,574,495.39x = 22,758,587,885,845,921,792
  5. Step 5: Solve for x
    x = 22,758,587,885,845,921,792/5,273,574,495.39
  6. Step 6: Final answer
    x = 4,315,590,479.62

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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.