Home / 659,789,328,840.42-989,149,917,484.02-206,274,790,913.80

Finding the Fourth Proportional to 659,789,328,840.42, 989,149,917,484.02 and 206,274,790,913.80

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Solution

The fourth proportional to 659,789,328,840.42, 989,149,917,484.02 and 206,274,790,913.80 is: 309,245,214,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,789,328,840.42 : 989,149,917,484.02 = 206,274,790,913.80 : x
  2. Step 2: Convert to fraction form
    659,789,328,840.42/989,149,917,484.02 = 206,274,790,913.80/x
  3. Step 3: Cross multiply
    659,789,328,840.42x = 989,149,917,484.02 × 206,274,790,913.80
  4. Step 4: Simplify right side
    659,789,328,840.42x = 204,036,692,411,418,740,260,864
  5. Step 5: Solve for x
    x = 204,036,692,411,418,740,260,864/659,789,328,840.42
  6. Step 6: Final answer
    x = 309,245,214,332.30

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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.