Home / 456,995,207.34-685,014,422.31-191,253,183.75

Finding the Fourth Proportional to 456,995,207.34, 685,014,422.31 and 191,253,183.75

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Solution

The fourth proportional to 456,995,207.34, 685,014,422.31 and 191,253,183.75 is: 286,679,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,995,207.34 : 685,014,422.31 = 191,253,183.75 : x
  2. Step 2: Convert to fraction form
    456,995,207.34/685,014,422.31 = 191,253,183.75/x
  3. Step 3: Cross multiply
    456,995,207.34x = 685,014,422.31 × 191,253,183.75
  4. Step 4: Simplify right side
    456,995,207.34x = 131,011,189,181,454,512
  5. Step 5: Solve for x
    x = 131,011,189,181,454,512/456,995,207.34
  6. Step 6: Final answer
    x = 286,679,569.23

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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.