Home / 747,478,896.97-1,121,203,912.39-223,203,232.05

Finding the Fourth Proportional to 747,478,896.97, 1,121,203,912.39 and 223,203,232.05

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Solution

The fourth proportional to 747,478,896.97, 1,121,203,912.39 and 223,203,232.05 is: 334,800,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,478,896.97 : 1,121,203,912.39 = 223,203,232.05 : x
  2. Step 2: Convert to fraction form
    747,478,896.97/1,121,203,912.39 = 223,203,232.05/x
  3. Step 3: Cross multiply
    747,478,896.97x = 1,121,203,912.39 × 223,203,232.05
  4. Step 4: Simplify right side
    747,478,896.97x = 250,256,337,032,553,088
  5. Step 5: Solve for x
    x = 250,256,337,032,553,088/747,478,896.97
  6. Step 6: Final answer
    x = 334,800,538.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.