Home / 331,934,245.20-458,275,985.19-211,300,298.91

Finding the Fourth Proportional to 331,934,245.20, 458,275,985.19 and 211,300,298.91

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Solution

The fourth proportional to 331,934,245.20, 458,275,985.19 and 211,300,298.91 is: 291,726,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,934,245.20 : 458,275,985.19 = 211,300,298.91 : x
  2. Step 2: Convert to fraction form
    331,934,245.20/458,275,985.19 = 211,300,298.91/x
  3. Step 3: Cross multiply
    331,934,245.20x = 458,275,985.19 × 211,300,298.91
  4. Step 4: Simplify right side
    331,934,245.20x = 96,833,852,653,921,728
  5. Step 5: Solve for x
    x = 96,833,852,653,921,728/331,934,245.20
  6. Step 6: Final answer
    x = 291,726,009.15

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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.