Home / 607,589,912.44-838,608,966.86-369,384,481.31

Finding the Fourth Proportional to 607,589,912.44, 838,608,966.86 and 369,384,481.31

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Solution

The fourth proportional to 607,589,912.44, 838,608,966.86 and 369,384,481.31 is: 509,832,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,589,912.44 : 838,608,966.86 = 369,384,481.31 : x
  2. Step 2: Convert to fraction form
    607,589,912.44/838,608,966.86 = 369,384,481.31/x
  3. Step 3: Cross multiply
    607,589,912.44x = 838,608,966.86 × 369,384,481.31
  4. Step 4: Simplify right side
    607,589,912.44x = 309,769,138,248,516,032
  5. Step 5: Solve for x
    x = 309,769,138,248,516,032/607,589,912.44
  6. Step 6: Final answer
    x = 509,832,589.23

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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.