Home / 3,900,302,789,516.40-5,382,430,426,472.70-2,166,112,345,848

Finding the Fourth Proportional to 3,900,302,789,516.40, 5,382,430,426,472.70 and 2,166,112,345,848

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Solution

The fourth proportional to 3,900,302,789,516.40, 5,382,430,426,472.70 and 2,166,112,345,848 is: 2,989,242,022,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,302,789,516.40 : 5,382,430,426,472.70 = 2,166,112,345,848 : x
  2. Step 2: Convert to fraction form
    3,900,302,789,516.40/5,382,430,426,472.70 = 2,166,112,345,848/x
  3. Step 3: Cross multiply
    3,900,302,789,516.40x = 5,382,430,426,472.70 × 2,166,112,345,848
  4. Step 4: Simplify right side
    3,900,302,789,516.40x = 11,658,948,997,450,431,580,864,512
  5. Step 5: Solve for x
    x = 11,658,948,997,450,431,580,864,512/3,900,302,789,516.40
  6. Step 6: Final answer
    x = 2,989,242,022,129.27

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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.