Home / 437,212,553.57-655,933,858.26-157,121,764.40

Finding the Fourth Proportional to 437,212,553.57, 655,933,858.26 and 157,121,764.40

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Solution

The fourth proportional to 437,212,553.57, 655,933,858.26 and 157,121,764.40 is: 235,723,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,212,553.57 : 655,933,858.26 = 157,121,764.40 : x
  2. Step 2: Convert to fraction form
    437,212,553.57/655,933,858.26 = 157,121,764.40/x
  3. Step 3: Cross multiply
    437,212,553.57x = 655,933,858.26 × 157,121,764.40
  4. Step 4: Simplify right side
    437,212,553.57x = 103,061,485,135,445,440
  5. Step 5: Solve for x
    x = 103,061,485,135,445,440/437,212,553.57
  6. Step 6: Final answer
    x = 235,723,984.35

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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.