Home / 79,180,778,191.89-109,273,399,765.80-49,116,948,245.49

Finding the Fourth Proportional to 79,180,778,191.89, 109,273,399,765.80 and 49,116,948,245.49

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Solution

The fourth proportional to 79,180,778,191.89, 109,273,399,765.80 and 49,116,948,245.49 is: 67,783,823,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180,778,191.89 : 109,273,399,765.80 = 49,116,948,245.49 : x
  2. Step 2: Convert to fraction form
    79,180,778,191.89/109,273,399,765.80 = 49,116,948,245.49/x
  3. Step 3: Cross multiply
    79,180,778,191.89x = 109,273,399,765.80 × 49,116,948,245.49
  4. Step 4: Simplify right side
    79,180,778,191.89x = 5,367,175,920,905,537,716,224
  5. Step 5: Solve for x
    x = 5,367,175,920,905,537,716,224/79,180,778,191.89
  6. Step 6: Final answer
    x = 67,783,823,845.46

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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.