Home / 379,181,145.83-568,610,216.06-148,988,759.72

Finding the Fourth Proportional to 379,181,145.83, 568,610,216.06 and 148,988,759.72

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Solution

The fourth proportional to 379,181,145.83, 568,610,216.06 and 148,988,759.72 is: 223,419,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,181,145.83 : 568,610,216.06 = 148,988,759.72 : x
  2. Step 2: Convert to fraction form
    379,181,145.83/568,610,216.06 = 148,988,759.72/x
  3. Step 3: Cross multiply
    379,181,145.83x = 568,610,216.06 × 148,988,759.72
  4. Step 4: Simplify right side
    379,181,145.83x = 84,716,530,851,312,624
  5. Step 5: Solve for x
    x = 84,716,530,851,312,624/379,181,145.83
  6. Step 6: Final answer
    x = 223,419,681.55

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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.