Home / 505,474,632.32-758,240,310.72-141,940,644.48

Finding the Fourth Proportional to 505,474,632.32, 758,240,310.72 and 141,940,644.48

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Solution

The fourth proportional to 505,474,632.32, 758,240,310.72 and 141,940,644.48 is: 212,918,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,474,632.32 : 758,240,310.72 = 141,940,644.48 : x
  2. Step 2: Convert to fraction form
    505,474,632.32/758,240,310.72 = 141,940,644.48/x
  3. Step 3: Cross multiply
    505,474,632.32x = 758,240,310.72 × 141,940,644.48
  4. Step 4: Simplify right side
    505,474,632.32x = 107,625,118,374,312,256
  5. Step 5: Solve for x
    x = 107,625,118,374,312,256/505,474,632.32
  6. Step 6: Final answer
    x = 212,918,931.03

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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.