Home / 484,512,010.20-726,768,015.30-280,438,666.20

Finding the Fourth Proportional to 484,512,010.20, 726,768,015.30 and 280,438,666.20

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Solution

The fourth proportional to 484,512,010.20, 726,768,015.30 and 280,438,666.20 is: 420,657,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,512,010.20 : 726,768,015.30 = 280,438,666.20 : x
  2. Step 2: Convert to fraction form
    484,512,010.20/726,768,015.30 = 280,438,666.20/x
  3. Step 3: Cross multiply
    484,512,010.20x = 726,768,015.30 × 280,438,666.20
  4. Step 4: Simplify right side
    484,512,010.20x = 203,813,852,847,553,184
  5. Step 5: Solve for x
    x = 203,813,852,847,553,184/484,512,010.20
  6. Step 6: Final answer
    x = 420,657,999.30

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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.