Home / 3,900,302,789,522.40-5,382,430,426,481.10-2,166,112,345,854

Finding the Fourth Proportional to 3,900,302,789,522.40, 5,382,430,426,481.10 and 2,166,112,345,854

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Solution

The fourth proportional to 3,900,302,789,522.40, 5,382,430,426,481.10 and 2,166,112,345,854 is: 2,989,242,022,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,302,789,522.40 : 5,382,430,426,481.10 = 2,166,112,345,854 : x
  2. Step 2: Convert to fraction form
    3,900,302,789,522.40/5,382,430,426,481.10 = 2,166,112,345,854/x
  3. Step 3: Cross multiply
    3,900,302,789,522.40x = 5,382,430,426,481.10 × 2,166,112,345,854
  4. Step 4: Simplify right side
    3,900,302,789,522.40x = 11,658,948,997,500,921,068,912,640
  5. Step 5: Solve for x
    x = 11,658,948,997,500,921,068,912,640/3,900,302,789,522.40
  6. Step 6: Final answer
    x = 2,989,242,022,137.62

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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.