Home / 681,816,520.08-940,906,391.76-368,550,738.24

Finding the Fourth Proportional to 681,816,520.08, 940,906,391.76 and 368,550,738.24

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Solution

The fourth proportional to 681,816,520.08, 940,906,391.76 and 368,550,738.24 is: 508,599,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,816,520.08 : 940,906,391.76 = 368,550,738.24 : x
  2. Step 2: Convert to fraction form
    681,816,520.08/940,906,391.76 = 368,550,738.24/x
  3. Step 3: Cross multiply
    681,816,520.08x = 940,906,391.76 × 368,550,738.24
  4. Step 4: Simplify right side
    681,816,520.08x = 346,771,745,297,882,688
  5. Step 5: Solve for x
    x = 346,771,745,297,882,688/681,816,520.08
  6. Step 6: Final answer
    x = 508,599,799.34

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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.