Home / 437,127,876.22-655,619,992.90-156,950,790.90

Finding the Fourth Proportional to 437,127,876.22, 655,619,992.90 and 156,950,790.90

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Solution

The fourth proportional to 437,127,876.22, 655,619,992.90 and 156,950,790.90 is: 235,400,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,127,876.22 : 655,619,992.90 = 156,950,790.90 : x
  2. Step 2: Convert to fraction form
    437,127,876.22/655,619,992.90 = 156,950,790.90/x
  3. Step 3: Cross multiply
    437,127,876.22x = 655,619,992.90 × 156,950,790.90
  4. Step 4: Simplify right side
    437,127,876.22x = 102,900,076,415,115,024
  5. Step 5: Solve for x
    x = 102,900,076,415,115,024/437,127,876.22
  6. Step 6: Final answer
    x = 235,400,398.86

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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.