Home / 524,968,636.38-787,570,224.24-197,446,989.61

Finding the Fourth Proportional to 524,968,636.38, 787,570,224.24 and 197,446,989.61

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Solution

The fourth proportional to 524,968,636.38, 787,570,224.24 and 197,446,989.61 is: 296,214,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,968,636.38 : 787,570,224.24 = 197,446,989.61 : x
  2. Step 2: Convert to fraction form
    524,968,636.38/787,570,224.24 = 197,446,989.61/x
  3. Step 3: Cross multiply
    524,968,636.38x = 787,570,224.24 × 197,446,989.61
  4. Step 4: Simplify right side
    524,968,636.38x = 155,503,369,878,843,840
  5. Step 5: Solve for x
    x = 155,503,369,878,843,840/524,968,636.38
  6. Step 6: Final answer
    x = 296,214,590.94

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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.