Home / 413,979,008.10-620,968,512.15-122,891,057.70

Finding the Fourth Proportional to 413,979,008.10, 620,968,512.15 and 122,891,057.70

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Solution

The fourth proportional to 413,979,008.10, 620,968,512.15 and 122,891,057.70 is: 184,336,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,979,008.10 : 620,968,512.15 = 122,891,057.70 : x
  2. Step 2: Convert to fraction form
    413,979,008.10/620,968,512.15 = 122,891,057.70/x
  3. Step 3: Cross multiply
    413,979,008.10x = 620,968,512.15 × 122,891,057.70
  4. Step 4: Simplify right side
    413,979,008.10x = 76,311,477,256,508,800
  5. Step 5: Solve for x
    x = 76,311,477,256,508,800/413,979,008.10
  6. Step 6: Final answer
    x = 184,336,586.55

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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.