Home / 825,571,363.68-1,139,274,065.52-449,215,255.08

Finding the Fourth Proportional to 825,571,363.68, 1,139,274,065.52 and 449,215,255.08

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Solution

The fourth proportional to 825,571,363.68, 1,139,274,065.52 and 449,215,255.08 is: 619,909,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,571,363.68 : 1,139,274,065.52 = 449,215,255.08 : x
  2. Step 2: Convert to fraction form
    825,571,363.68/1,139,274,065.52 = 449,215,255.08/x
  3. Step 3: Cross multiply
    825,571,363.68x = 1,139,274,065.52 × 449,215,255.08
  4. Step 4: Simplify right side
    825,571,363.68x = 511,779,289,948,595,392
  5. Step 5: Solve for x
    x = 511,779,289,948,595,392/825,571,363.68
  6. Step 6: Final answer
    x = 619,909,207.69

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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.