Home / 531,876,076.45-734,184,852.83-320,192,750.05

Finding the Fourth Proportional to 531,876,076.45, 734,184,852.83 and 320,192,750.05

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Solution

The fourth proportional to 531,876,076.45, 734,184,852.83 and 320,192,750.05 is: 441,983,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,876,076.45 : 734,184,852.83 = 320,192,750.05 : x
  2. Step 2: Convert to fraction form
    531,876,076.45/734,184,852.83 = 320,192,750.05/x
  3. Step 3: Cross multiply
    531,876,076.45x = 734,184,852.83 × 320,192,750.05
  4. Step 4: Simplify right side
    531,876,076.45x = 235,080,667,070,459,744
  5. Step 5: Solve for x
    x = 235,080,667,070,459,744/531,876,076.45
  6. Step 6: Final answer
    x = 441,983,908.43

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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.