Home / 609,022,061.12-840,451,293.96-330,563,641.52

Finding the Fourth Proportional to 609,022,061.12, 840,451,293.96 and 330,563,641.52

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Solution

The fourth proportional to 609,022,061.12, 840,451,293.96 and 330,563,641.52 is: 456,178,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,022,061.12 : 840,451,293.96 = 330,563,641.52 : x
  2. Step 2: Convert to fraction form
    609,022,061.12/840,451,293.96 = 330,563,641.52/x
  3. Step 3: Cross multiply
    609,022,061.12x = 840,451,293.96 × 330,563,641.52
  4. Step 4: Simplify right side
    609,022,061.12x = 277,822,640,251,613,568
  5. Step 5: Solve for x
    x = 277,822,640,251,613,568/609,022,061.12
  6. Step 6: Final answer
    x = 456,178,286.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.