Home / 352,245,182.40-528,367,773.60-188,986,507.20

Finding the Fourth Proportional to 352,245,182.40, 528,367,773.60 and 188,986,507.20

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Solution

The fourth proportional to 352,245,182.40, 528,367,773.60 and 188,986,507.20 is: 283,479,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,245,182.40 : 528,367,773.60 = 188,986,507.20 : x
  2. Step 2: Convert to fraction form
    352,245,182.40/528,367,773.60 = 188,986,507.20/x
  3. Step 3: Cross multiply
    352,245,182.40x = 528,367,773.60 × 188,986,507.20
  4. Step 4: Simplify right side
    352,245,182.40x = 99,854,380,049,704,368
  5. Step 5: Solve for x
    x = 99,854,380,049,704,368/352,245,182.40
  6. Step 6: Final answer
    x = 283,479,760.80

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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.