Home / 1,208,100,166.31-1,667,123,124.93-672,278,321.00

Finding the Fourth Proportional to 1,208,100,166.31, 1,667,123,124.93 and 672,278,321.00

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Solution

The fourth proportional to 1,208,100,166.31, 1,667,123,124.93 and 672,278,321.00 is: 927,713,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,100,166.31 : 1,667,123,124.93 = 672,278,321.00 : x
  2. Step 2: Convert to fraction form
    1,208,100,166.31/1,667,123,124.93 = 672,278,321.00/x
  3. Step 3: Cross multiply
    1,208,100,166.31x = 1,667,123,124.93 × 672,278,321.00
  4. Step 4: Simplify right side
    1,208,100,166.31x = 1,120,770,735,319,878,016
  5. Step 5: Solve for x
    x = 1,120,770,735,319,878,016/1,208,100,166.31
  6. Step 6: Final answer
    x = 927,713,418.62

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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.