Home / 663,655,460,829.80-915,834,789,197.51-370,684,659,171.54

Finding the Fourth Proportional to 663,655,460,829.80, 915,834,789,197.51 and 370,684,659,171.54

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Solution

The fourth proportional to 663,655,460,829.80, 915,834,789,197.51 and 370,684,659,171.54 is: 511,539,385,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,829.80 : 915,834,789,197.51 = 370,684,659,171.54 : x
  2. Step 2: Convert to fraction form
    663,655,460,829.80/915,834,789,197.51 = 370,684,659,171.54/x
  3. Step 3: Cross multiply
    663,655,460,829.80x = 915,834,789,197.51 × 370,684,659,171.54
  4. Step 4: Simplify right side
    663,655,460,829.80x = 339,485,906,691,118,138,916,864
  5. Step 5: Solve for x
    x = 339,485,906,691,118,138,916,864/663,655,460,829.80
  6. Step 6: Final answer
    x = 511,539,385,612.29

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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.