Home / 378,687,216.90-568,030,825.35-174,613,872.90

Finding the Fourth Proportional to 378,687,216.90, 568,030,825.35 and 174,613,872.90

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Solution

The fourth proportional to 378,687,216.90, 568,030,825.35 and 174,613,872.90 is: 261,920,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,687,216.90 : 568,030,825.35 = 174,613,872.90 : x
  2. Step 2: Convert to fraction form
    378,687,216.90/568,030,825.35 = 174,613,872.90/x
  3. Step 3: Cross multiply
    378,687,216.90x = 568,030,825.35 × 174,613,872.90
  4. Step 4: Simplify right side
    378,687,216.90x = 99,186,062,340,947,008
  5. Step 5: Solve for x
    x = 99,186,062,340,947,008/378,687,216.90
  6. Step 6: Final answer
    x = 261,920,809.35

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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.