Home / 417,486,099.52-625,952,734.02-199,170,136.72

Finding the Fourth Proportional to 417,486,099.52, 625,952,734.02 and 199,170,136.72

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Solution

The fourth proportional to 417,486,099.52, 625,952,734.02 and 199,170,136.72 is: 298,623,335.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,486,099.52 : 625,952,734.02 = 199,170,136.72 : x
  2. Step 2: Convert to fraction form
    417,486,099.52/625,952,734.02 = 199,170,136.72/x
  3. Step 3: Cross multiply
    417,486,099.52x = 625,952,734.02 × 199,170,136.72
  4. Step 4: Simplify right side
    417,486,099.52x = 124,671,091,615,021,184
  5. Step 5: Solve for x
    x = 124,671,091,615,021,184/417,486,099.52
  6. Step 6: Final answer
    x = 298,623,335.62

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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.