Home / 698,199,958.98-1,047,453,203.43-206,951,120.10

Finding the Fourth Proportional to 698,199,958.98, 1,047,453,203.43 and 206,951,120.10

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Solution

The fourth proportional to 698,199,958.98, 1,047,453,203.43 and 206,951,120.10 is: 310,472,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,199,958.98 : 1,047,453,203.43 = 206,951,120.10 : x
  2. Step 2: Convert to fraction form
    698,199,958.98/1,047,453,203.43 = 206,951,120.10/x
  3. Step 3: Cross multiply
    698,199,958.98x = 1,047,453,203.43 × 206,951,120.10
  4. Step 4: Simplify right side
    698,199,958.98x = 216,771,613,702,171,648
  5. Step 5: Solve for x
    x = 216,771,613,702,171,648/698,199,958.98
  6. Step 6: Final answer
    x = 310,472,108.91

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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.