Home / 379,751,800.64-569,713,606.38-120,981,761.60

Finding the Fourth Proportional to 379,751,800.64, 569,713,606.38 and 120,981,761.60

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Solution

The fourth proportional to 379,751,800.64, 569,713,606.38 and 120,981,761.60 is: 181,500,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,751,800.64 : 569,713,606.38 = 120,981,761.60 : x
  2. Step 2: Convert to fraction form
    379,751,800.64/569,713,606.38 = 120,981,761.60/x
  3. Step 3: Cross multiply
    379,751,800.64x = 569,713,606.38 × 120,981,761.60
  4. Step 4: Simplify right side
    379,751,800.64x = 68,924,955,704,492,832
  5. Step 5: Solve for x
    x = 68,924,955,704,492,832/379,751,800.64
  6. Step 6: Final answer
    x = 181,500,010.24

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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.