Home / 613,219,232.66-846,245,979.20-348,901,220.22

Finding the Fourth Proportional to 613,219,232.66, 846,245,979.20 and 348,901,220.22

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Solution

The fourth proportional to 613,219,232.66, 846,245,979.20 and 348,901,220.22 is: 481,485,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,219,232.66 : 846,245,979.20 = 348,901,220.22 : x
  2. Step 2: Convert to fraction form
    613,219,232.66/846,245,979.20 = 348,901,220.22/x
  3. Step 3: Cross multiply
    613,219,232.66x = 846,245,979.20 × 348,901,220.22
  4. Step 4: Simplify right side
    613,219,232.66x = 295,256,254,750,623,040
  5. Step 5: Solve for x
    x = 295,256,254,750,623,040/613,219,232.66
  6. Step 6: Final answer
    x = 481,485,640.09

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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.