Home / 754,024,338.30-1,131,036,507.45-208,765,872.30

Finding the Fourth Proportional to 754,024,338.30, 1,131,036,507.45 and 208,765,872.30

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Solution

The fourth proportional to 754,024,338.30, 1,131,036,507.45 and 208,765,872.30 is: 313,148,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,024,338.30 : 1,131,036,507.45 = 208,765,872.30 : x
  2. Step 2: Convert to fraction form
    754,024,338.30/1,131,036,507.45 = 208,765,872.30/x
  3. Step 3: Cross multiply
    754,024,338.30x = 1,131,036,507.45 × 208,765,872.30
  4. Step 4: Simplify right side
    754,024,338.30x = 236,121,823,080,944,736
  5. Step 5: Solve for x
    x = 236,121,823,080,944,736/754,024,338.30
  6. Step 6: Final answer
    x = 313,148,808.45

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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.