Home / 392,279,756.16-541,346,037.84-227,362,985.04

Finding the Fourth Proportional to 392,279,756.16, 541,346,037.84 and 227,362,985.04

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Solution

The fourth proportional to 392,279,756.16, 541,346,037.84 and 227,362,985.04 is: 313,760,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,279,756.16 : 541,346,037.84 = 227,362,985.04 : x
  2. Step 2: Convert to fraction form
    392,279,756.16/541,346,037.84 = 227,362,985.04/x
  3. Step 3: Cross multiply
    392,279,756.16x = 541,346,037.84 × 227,362,985.04
  4. Step 4: Simplify right side
    392,279,756.16x = 123,082,051,102,879,200
  5. Step 5: Solve for x
    x = 123,082,051,102,879,200/392,279,756.16
  6. Step 6: Final answer
    x = 313,760,904.48

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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.