Home / 407,297,354.56-562,071,804.96-221,660,595.52

Finding the Fourth Proportional to 407,297,354.56, 562,071,804.96 and 221,660,595.52

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Solution

The fourth proportional to 407,297,354.56, 562,071,804.96 and 221,660,595.52 is: 305,892,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,297,354.56 : 562,071,804.96 = 221,660,595.52 : x
  2. Step 2: Convert to fraction form
    407,297,354.56/562,071,804.96 = 221,660,595.52/x
  3. Step 3: Cross multiply
    407,297,354.56x = 562,071,804.96 × 221,660,595.52
  4. Step 4: Simplify right side
    407,297,354.56x = 124,589,171,012,434,912
  5. Step 5: Solve for x
    x = 124,589,171,012,434,912/407,297,354.56
  6. Step 6: Final answer
    x = 305,892,414.03

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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.