Home / 305,388,520.96-458,513,248.64-219,079,878.16

Finding the Fourth Proportional to 305,388,520.96, 458,513,248.64 and 219,079,878.16

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Solution

The fourth proportional to 305,388,520.96, 458,513,248.64 and 219,079,878.16 is: 328,928,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,388,520.96 : 458,513,248.64 = 219,079,878.16 : x
  2. Step 2: Convert to fraction form
    305,388,520.96/458,513,248.64 = 219,079,878.16/x
  3. Step 3: Cross multiply
    305,388,520.96x = 458,513,248.64 × 219,079,878.16
  4. Step 4: Simplify right side
    305,388,520.96x = 100,451,026,646,796,976
  5. Step 5: Solve for x
    x = 100,451,026,646,796,976/305,388,520.96
  6. Step 6: Final answer
    x = 328,928,626.17

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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.