Home / 558,862,173,979.25-838,434,334,643.65-155,945,305,850.98

Finding the Fourth Proportional to 558,862,173,979.25, 838,434,334,643.65 and 155,945,305,850.98

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Solution

The fourth proportional to 558,862,173,979.25, 838,434,334,643.65 and 155,945,305,850.98 is: 233,957,324,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,862,173,979.25 : 838,434,334,643.65 = 155,945,305,850.98 : x
  2. Step 2: Convert to fraction form
    558,862,173,979.25/838,434,334,643.65 = 155,945,305,850.98/x
  3. Step 3: Cross multiply
    558,862,173,979.25x = 838,434,334,643.65 × 155,945,305,850.98
  4. Step 4: Simplify right side
    558,862,173,979.25x = 130,749,898,751,966,932,107,264
  5. Step 5: Solve for x
    x = 130,749,898,751,966,932,107,264/558,862,173,979.25
  6. Step 6: Final answer
    x = 233,957,324,076.87

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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.