Home / 407,965,302.12-562,977,817.38-222,322,529.64

Finding the Fourth Proportional to 407,965,302.12, 562,977,817.38 and 222,322,529.64

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Solution

The fourth proportional to 407,965,302.12, 562,977,817.38 and 222,322,529.64 is: 306,797,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,965,302.12 : 562,977,817.38 = 222,322,529.64 : x
  2. Step 2: Convert to fraction form
    407,965,302.12/562,977,817.38 = 222,322,529.64/x
  3. Step 3: Cross multiply
    407,965,302.12x = 562,977,817.38 × 222,322,529.64
  4. Step 4: Simplify right side
    407,965,302.12x = 125,162,652,491,127,552
  5. Step 5: Solve for x
    x = 125,162,652,491,127,552/407,965,302.12
  6. Step 6: Final answer
    x = 306,797,298.30

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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.