Home / 427,719,816.32-590,253,783.36-232,149,568.64

Finding the Fourth Proportional to 427,719,816.32, 590,253,783.36 and 232,149,568.64

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Solution

The fourth proportional to 427,719,816.32, 590,253,783.36 and 232,149,568.64 is: 320,366,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,719,816.32 : 590,253,783.36 = 232,149,568.64 : x
  2. Step 2: Convert to fraction form
    427,719,816.32/590,253,783.36 = 232,149,568.64/x
  3. Step 3: Cross multiply
    427,719,816.32x = 590,253,783.36 × 232,149,568.64
  4. Step 4: Simplify right side
    427,719,816.32x = 137,027,161,195,152,000
  5. Step 5: Solve for x
    x = 137,027,161,195,152,000/427,719,816.32
  6. Step 6: Final answer
    x = 320,366,641.82

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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.