Home / 571,288,020.78-857,202,837.66-276,017,624.86

Finding the Fourth Proportional to 571,288,020.78, 857,202,837.66 and 276,017,624.86

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Solution

The fourth proportional to 571,288,020.78, 857,202,837.66 and 276,017,624.86 is: 414,157,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,288,020.78 : 857,202,837.66 = 276,017,624.86 : x
  2. Step 2: Convert to fraction form
    571,288,020.78/857,202,837.66 = 276,017,624.86/x
  3. Step 3: Cross multiply
    571,288,020.78x = 857,202,837.66 × 276,017,624.86
  4. Step 4: Simplify right side
    571,288,020.78x = 236,603,091,274,165,376
  5. Step 5: Solve for x
    x = 236,603,091,274,165,376/571,288,020.78
  6. Step 6: Final answer
    x = 414,157,277.36

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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.