Home / 417,486,100.52-625,952,735.52-199,170,137.72

Finding the Fourth Proportional to 417,486,100.52, 625,952,735.52 and 199,170,137.72

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Solution

The fourth proportional to 417,486,100.52, 625,952,735.52 and 199,170,137.72 is: 298,623,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,486,100.52 : 625,952,735.52 = 199,170,137.72 : x
  2. Step 2: Convert to fraction form
    417,486,100.52/625,952,735.52 = 199,170,137.72/x
  3. Step 3: Cross multiply
    417,486,100.52x = 625,952,735.52 × 199,170,137.72
  4. Step 4: Simplify right side
    417,486,100.52x = 124,671,092,539,729,136
  5. Step 5: Solve for x
    x = 124,671,092,539,729,136/417,486,100.52
  6. Step 6: Final answer
    x = 298,623,337.12

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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.