Home / 392,713,127,317.20-541,957,487,525.72-227,901,886,149.34

Finding the Fourth Proportional to 392,713,127,317.20, 541,957,487,525.72 and 227,901,886,149.34

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Solution

The fourth proportional to 392,713,127,317.20, 541,957,487,525.72 and 227,901,886,149.34 is: 314,512,362,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,713,127,317.20 : 541,957,487,525.72 = 227,901,886,149.34 : x
  2. Step 2: Convert to fraction form
    392,713,127,317.20/541,957,487,525.72 = 227,901,886,149.34/x
  3. Step 3: Cross multiply
    392,713,127,317.20x = 541,957,487,525.72 × 227,901,886,149.34
  4. Step 4: Simplify right side
    392,713,127,317.20x = 123,513,133,619,868,984,147,968
  5. Step 5: Solve for x
    x = 123,513,133,619,868,984,147,968/392,713,127,317.20
  6. Step 6: Final answer
    x = 314,512,362,913.97

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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.