Home / 663,655,460,710.82-915,834,789,034.24-370,684,659,053.09

Finding the Fourth Proportional to 663,655,460,710.82, 915,834,789,034.24 and 370,684,659,053.09

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Solution

The fourth proportional to 663,655,460,710.82, 915,834,789,034.24 and 370,684,659,053.09 is: 511,539,385,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,710.82 : 915,834,789,034.24 = 370,684,659,053.09 : x
  2. Step 2: Convert to fraction form
    663,655,460,710.82/915,834,789,034.24 = 370,684,659,053.09/x
  3. Step 3: Cross multiply
    663,655,460,710.82x = 915,834,789,034.24 × 370,684,659,053.09
  4. Step 4: Simplify right side
    663,655,460,710.82x = 339,485,906,522,115,873,439,744
  5. Step 5: Solve for x
    x = 339,485,906,522,115,873,439,744/663,655,460,710.82
  6. Step 6: Final answer
    x = 511,539,385,449.35

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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.