Home / 347,640,672,977.58-521,520,417,778.68-143,322,168,787.10

Finding the Fourth Proportional to 347,640,672,977.58, 521,520,417,778.68 and 143,322,168,787.10

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Solution

The fourth proportional to 347,640,672,977.58, 521,520,417,778.68 and 143,322,168,787.10 is: 215,007,745,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,640,672,977.58 : 521,520,417,778.68 = 143,322,168,787.10 : x
  2. Step 2: Convert to fraction form
    347,640,672,977.58/521,520,417,778.68 = 143,322,168,787.10/x
  3. Step 3: Cross multiply
    347,640,672,977.58x = 521,520,417,778.68 × 143,322,168,787.10
  4. Step 4: Simplify right side
    347,640,672,977.58x = 74,745,437,342,794,885,627,904
  5. Step 5: Solve for x
    x = 74,745,437,342,794,885,627,904/347,640,672,977.58
  6. Step 6: Final answer
    x = 215,007,745,505.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.