Home / 331,661,917.74-496,472,509.89-216,398,269.74

Finding the Fourth Proportional to 331,661,917.74, 496,472,509.89 and 216,398,269.74

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Solution

The fourth proportional to 331,661,917.74, 496,472,509.89 and 216,398,269.74 is: 323,931,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,661,917.74 : 496,472,509.89 = 216,398,269.74 : x
  2. Step 2: Convert to fraction form
    331,661,917.74/496,472,509.89 = 216,398,269.74/x
  3. Step 3: Cross multiply
    331,661,917.74x = 496,472,509.89 × 216,398,269.74
  4. Step 4: Simplify right side
    331,661,917.74x = 107,435,792,113,671,040
  5. Step 5: Solve for x
    x = 107,435,792,113,671,040/331,661,917.74
  6. Step 6: Final answer
    x = 323,931,649.57

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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.