Home / 445,853,514.78-668,515,364.10-169,524,935.64

Finding the Fourth Proportional to 445,853,514.78, 668,515,364.10 and 169,524,935.64

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Solution

The fourth proportional to 445,853,514.78, 668,515,364.10 and 169,524,935.64 is: 254,186,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,853,514.78 : 668,515,364.10 = 169,524,935.64 : x
  2. Step 2: Convert to fraction form
    445,853,514.78/668,515,364.10 = 169,524,935.64/x
  3. Step 3: Cross multiply
    445,853,514.78x = 668,515,364.10 × 169,524,935.64
  4. Step 4: Simplify right side
    445,853,514.78x = 113,330,024,073,403,664
  5. Step 5: Solve for x
    x = 113,330,024,073,403,664/445,853,514.78
  6. Step 6: Final answer
    x = 254,186,678.62

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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.