Home / 392,117,734.32-588,240,438.36-115,796,896.32

Finding the Fourth Proportional to 392,117,734.32, 588,240,438.36 and 115,796,896.32

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Solution

The fourth proportional to 392,117,734.32, 588,240,438.36 and 115,796,896.32 is: 173,714,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,117,734.32 : 588,240,438.36 = 115,796,896.32 : x
  2. Step 2: Convert to fraction form
    392,117,734.32/588,240,438.36 = 115,796,896.32/x
  3. Step 3: Cross multiply
    392,117,734.32x = 588,240,438.36 × 115,796,896.32
  4. Step 4: Simplify right side
    392,117,734.32x = 68,116,417,052,004,272
  5. Step 5: Solve for x
    x = 68,116,417,052,004,272/392,117,734.32
  6. Step 6: Final answer
    x = 173,714,196.25

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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.