Home / 485,109,872.20-727,664,808.30-370,318,616.20

Finding the Fourth Proportional to 485,109,872.20, 727,664,808.30 and 370,318,616.20

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Solution

The fourth proportional to 485,109,872.20, 727,664,808.30 and 370,318,616.20 is: 555,477,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,109,872.20 : 727,664,808.30 = 370,318,616.20 : x
  2. Step 2: Convert to fraction form
    485,109,872.20/727,664,808.30 = 370,318,616.20/x
  3. Step 3: Cross multiply
    485,109,872.20x = 727,664,808.30 × 370,318,616.20
  4. Step 4: Simplify right side
    485,109,872.20x = 269,467,824,867,094,240
  5. Step 5: Solve for x
    x = 269,467,824,867,094,240/485,109,872.20
  6. Step 6: Final answer
    x = 555,477,924.30

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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.