Home / 660,997,670.91-991,460,625.66-200,899,967.96

Finding the Fourth Proportional to 660,997,670.91, 991,460,625.66 and 200,899,967.96

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Solution

The fourth proportional to 660,997,670.91, 991,460,625.66 and 200,899,967.96 is: 301,339,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,997,670.91 : 991,460,625.66 = 200,899,967.96 : x
  2. Step 2: Convert to fraction form
    660,997,670.91/991,460,625.66 = 200,899,967.96/x
  3. Step 3: Cross multiply
    660,997,670.91x = 991,460,625.66 × 200,899,967.96
  4. Step 4: Simplify right side
    660,997,670.91x = 199,184,407,923,738,272
  5. Step 5: Solve for x
    x = 199,184,407,923,738,272/660,997,670.91
  6. Step 6: Final answer
    x = 301,339,046.55

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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.