Home / 7,157,026,142.48-9,876,601,912.20-3,941,874,402.32

Finding the Fourth Proportional to 7,157,026,142.48, 9,876,601,912.20 and 3,941,874,402.32

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Solution

The fourth proportional to 7,157,026,142.48, 9,876,601,912.20 and 3,941,874,402.32 is: 5,439,734,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,026,142.48 : 9,876,601,912.20 = 3,941,874,402.32 : x
  2. Step 2: Convert to fraction form
    7,157,026,142.48/9,876,601,912.20 = 3,941,874,402.32/x
  3. Step 3: Cross multiply
    7,157,026,142.48x = 9,876,601,912.20 × 3,941,874,402.32
  4. Step 4: Simplify right side
    7,157,026,142.48x = 38,932,324,259,605,946,368
  5. Step 5: Solve for x
    x = 38,932,324,259,605,946,368/7,157,026,142.48
  6. Step 6: Final answer
    x = 5,439,734,812.27

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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.