Home / 3,900,302,789,517.40-5,382,430,426,474.20-2,166,112,345,849

Finding the Fourth Proportional to 3,900,302,789,517.40, 5,382,430,426,474.20 and 2,166,112,345,849

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Solution

The fourth proportional to 3,900,302,789,517.40, 5,382,430,426,474.20 and 2,166,112,345,849 is: 2,989,242,022,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,302,789,517.40 : 5,382,430,426,474.20 = 2,166,112,345,849 : x
  2. Step 2: Convert to fraction form
    3,900,302,789,517.40/5,382,430,426,474.20 = 2,166,112,345,849/x
  3. Step 3: Cross multiply
    3,900,302,789,517.40x = 5,382,430,426,474.20 × 2,166,112,345,849
  4. Step 4: Simplify right side
    3,900,302,789,517.40x = 11,658,948,997,459,062,317,645,824
  5. Step 5: Solve for x
    x = 11,658,948,997,459,062,317,645,824/3,900,302,789,517.40
  6. Step 6: Final answer
    x = 2,989,242,022,130.72

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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.