Home / 1,049,076,100.19-1,448,378,377.31-667,813,257.50

Finding the Fourth Proportional to 1,049,076,100.19, 1,448,378,377.31 and 667,813,257.50

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Solution

The fourth proportional to 1,049,076,100.19, 1,448,378,377.31 and 667,813,257.50 is: 921,998,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,076,100.19 : 1,448,378,377.31 = 667,813,257.50 : x
  2. Step 2: Convert to fraction form
    1,049,076,100.19/1,448,378,377.31 = 667,813,257.50/x
  3. Step 3: Cross multiply
    1,049,076,100.19x = 1,448,378,377.31 × 667,813,257.50
  4. Step 4: Simplify right side
    1,049,076,100.19x = 967,246,282,238,382,848
  5. Step 5: Solve for x
    x = 967,246,282,238,382,848/1,049,076,100.19
  6. Step 6: Final answer
    x = 921,998,205.91

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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.