Home / 617,805,865.80-926,694,629.10-311,015,593.80

Finding the Fourth Proportional to 617,805,865.80, 926,694,629.10 and 311,015,593.80

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Solution

The fourth proportional to 617,805,865.80, 926,694,629.10 and 311,015,593.80 is: 466,516,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,805,865.80 : 926,694,629.10 = 311,015,593.80 : x
  2. Step 2: Convert to fraction form
    617,805,865.80/926,694,629.10 = 311,015,593.80/x
  3. Step 3: Cross multiply
    617,805,865.80x = 926,694,629.10 × 311,015,593.80
  4. Step 4: Simplify right side
    617,805,865.80x = 288,216,480,340,807,264
  5. Step 5: Solve for x
    x = 288,216,480,340,807,264/617,805,865.80
  6. Step 6: Final answer
    x = 466,516,257.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.