Home / 79,180,778,192.89-109,273,399,767.18-49,116,948,246.49

Finding the Fourth Proportional to 79,180,778,192.89, 109,273,399,767.18 and 49,116,948,246.49

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Solution

The fourth proportional to 79,180,778,192.89, 109,273,399,767.18 and 49,116,948,246.49 is: 67,783,823,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180,778,192.89 : 109,273,399,767.18 = 49,116,948,246.49 : x
  2. Step 2: Convert to fraction form
    79,180,778,192.89/109,273,399,767.18 = 49,116,948,246.49/x
  3. Step 3: Cross multiply
    79,180,778,192.89x = 109,273,399,767.18 × 49,116,948,246.49
  4. Step 4: Simplify right side
    79,180,778,192.89x = 5,367,175,921,082,591,870,976
  5. Step 5: Solve for x
    x = 5,367,175,921,082,591,870,976/79,180,778,192.89
  6. Step 6: Final answer
    x = 67,783,823,846.84

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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.