Home / 3,985,531,278.72-5,500,032,954.56-2,152,369,289.56

Finding the Fourth Proportional to 3,985,531,278.72, 5,500,032,954.56 and 2,152,369,289.56

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Solution

The fourth proportional to 3,985,531,278.72, 5,500,032,954.56 and 2,152,369,289.56 is: 2,970,269,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,531,278.72 : 5,500,032,954.56 = 2,152,369,289.56 : x
  2. Step 2: Convert to fraction form
    3,985,531,278.72/5,500,032,954.56 = 2,152,369,289.56/x
  3. Step 3: Cross multiply
    3,985,531,278.72x = 5,500,032,954.56 × 2,152,369,289.56
  4. Step 4: Simplify right side
    3,985,531,278.72x = 11,838,102,022,962,894,848
  5. Step 5: Solve for x
    x = 11,838,102,022,962,894,848/3,985,531,278.72
  6. Step 6: Final answer
    x = 2,970,269,506.14

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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.