Home / 913,275,747.09-1,369,909,758.56-330,873,443.73

Finding the Fourth Proportional to 913,275,747.09, 1,369,909,758.56 and 330,873,443.73

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Solution

The fourth proportional to 913,275,747.09, 1,369,909,758.56 and 330,873,443.73 is: 496,308,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,275,747.09 : 1,369,909,758.56 = 330,873,443.73 : x
  2. Step 2: Convert to fraction form
    913,275,747.09/1,369,909,758.56 = 330,873,443.73/x
  3. Step 3: Cross multiply
    913,275,747.09x = 1,369,909,758.56 × 330,873,443.73
  4. Step 4: Simplify right side
    913,275,747.09x = 453,266,759,412,425,728
  5. Step 5: Solve for x
    x = 453,266,759,412,425,728/913,275,747.09
  6. Step 6: Final answer
    x = 496,308,766.39

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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.