Home / 528,418,381.96-792,313,606.62-200,917,843.72

Finding the Fourth Proportional to 528,418,381.96, 792,313,606.62 and 200,917,843.72

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Solution

The fourth proportional to 528,418,381.96, 792,313,606.62 and 200,917,843.72 is: 301,257,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,418,381.96 : 792,313,606.62 = 200,917,843.72 : x
  2. Step 2: Convert to fraction form
    528,418,381.96/792,313,606.62 = 200,917,843.72/x
  3. Step 3: Cross multiply
    528,418,381.96x = 792,313,606.62 × 200,917,843.72
  4. Step 4: Simplify right side
    528,418,381.96x = 159,189,941,392,106,720
  5. Step 5: Solve for x
    x = 159,189,941,392,106,720/528,418,381.96
  6. Step 6: Final answer
    x = 301,257,387.76

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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.