Home / 1,502,236,858.42-2,251,764,892.31-505,308,835.18

Finding the Fourth Proportional to 1,502,236,858.42, 2,251,764,892.31 and 505,308,835.18

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Solution

The fourth proportional to 1,502,236,858.42, 2,251,764,892.31 and 505,308,835.18 is: 757,428,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,236,858.42 : 2,251,764,892.31 = 505,308,835.18 : x
  2. Step 2: Convert to fraction form
    1,502,236,858.42/2,251,764,892.31 = 505,308,835.18/x
  3. Step 3: Cross multiply
    1,502,236,858.42x = 2,251,764,892.31 × 505,308,835.18
  4. Step 4: Simplify right side
    1,502,236,858.42x = 1,137,836,694,832,384,256
  5. Step 5: Solve for x
    x = 1,137,836,694,832,384,256/1,502,236,858.42
  6. Step 6: Final answer
    x = 757,428,289.99

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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.