Home / 528,551,270.28-791,619,262.38-252,395,913.96

Finding the Fourth Proportional to 528,551,270.28, 791,619,262.38 and 252,395,913.96

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Solution

The fourth proportional to 528,551,270.28, 791,619,262.38 and 252,395,913.96 is: 378,017,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,551,270.28 : 791,619,262.38 = 252,395,913.96 : x
  2. Step 2: Convert to fraction form
    528,551,270.28/791,619,262.38 = 252,395,913.96/x
  3. Step 3: Cross multiply
    528,551,270.28x = 791,619,262.38 × 252,395,913.96
  4. Step 4: Simplify right side
    528,551,270.28x = 199,801,467,236,741,152
  5. Step 5: Solve for x
    x = 199,801,467,236,741,152/528,551,270.28
  6. Step 6: Final answer
    x = 378,017,192.41

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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.