Home / 331,661,918.74-496,472,511.39-216,398,270.74

Finding the Fourth Proportional to 331,661,918.74, 496,472,511.39 and 216,398,270.74

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Solution

The fourth proportional to 331,661,918.74, 496,472,511.39 and 216,398,270.74 is: 323,931,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,661,918.74 : 496,472,511.39 = 216,398,270.74 : x
  2. Step 2: Convert to fraction form
    331,661,918.74/496,472,511.39 = 216,398,270.74/x
  3. Step 3: Cross multiply
    331,661,918.74x = 496,472,511.39 × 216,398,270.74
  4. Step 4: Simplify right side
    331,661,918.74x = 107,435,792,934,740,960
  5. Step 5: Solve for x
    x = 107,435,792,934,740,960/331,661,918.74
  6. Step 6: Final answer
    x = 323,931,651.07

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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.