Home / 79,180,778,203.70-109,273,399,781.94-49,116,948,257.30

Finding the Fourth Proportional to 79,180,778,203.70, 109,273,399,781.94 and 49,116,948,257.30

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Solution

The fourth proportional to 79,180,778,203.70, 109,273,399,781.94 and 49,116,948,257.30 is: 67,783,823,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180,778,203.70 : 109,273,399,781.94 = 49,116,948,257.30 : x
  2. Step 2: Convert to fraction form
    79,180,778,203.70/109,273,399,781.94 = 49,116,948,257.30/x
  3. Step 3: Cross multiply
    79,180,778,203.70x = 109,273,399,781.94 × 49,116,948,257.30
  4. Step 4: Simplify right side
    79,180,778,203.70x = 5,367,175,922,988,804,472,832
  5. Step 5: Solve for x
    x = 5,367,175,922,988,804,472,832/79,180,778,203.70
  6. Step 6: Final answer
    x = 67,783,823,861.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.