Home / 938,144,261.54-1,294,101,198.24-585,107,336.72

Finding the Fourth Proportional to 938,144,261.54, 1,294,101,198.24 and 585,107,336.72

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Solution

The fourth proportional to 938,144,261.54, 1,294,101,198.24 and 585,107,336.72 is: 807,112,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,144,261.54 : 1,294,101,198.24 = 585,107,336.72 : x
  2. Step 2: Convert to fraction form
    938,144,261.54/1,294,101,198.24 = 585,107,336.72/x
  3. Step 3: Cross multiply
    938,144,261.54x = 1,294,101,198.24 × 585,107,336.72
  4. Step 4: Simplify right side
    938,144,261.54x = 757,188,105,541,896,704
  5. Step 5: Solve for x
    x = 757,188,105,541,896,704/938,144,261.54
  6. Step 6: Final answer
    x = 807,112,654.83

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1.5x scale

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.