Home / 285,180,790.91-427,034,467.26-196,822,009.35

Finding the Fourth Proportional to 285,180,790.91, 427,034,467.26 and 196,822,009.35

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Solution

The fourth proportional to 285,180,790.91, 427,034,467.26 and 196,822,009.35 is: 294,724,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,180,790.91 : 427,034,467.26 = 196,822,009.35 : x
  2. Step 2: Convert to fraction form
    285,180,790.91/427,034,467.26 = 196,822,009.35/x
  3. Step 3: Cross multiply
    285,180,790.91x = 427,034,467.26 × 196,822,009.35
  4. Step 4: Simplify right side
    285,180,790.91x = 84,049,781,907,819,984
  5. Step 5: Solve for x
    x = 84,049,781,907,819,984/285,180,790.91
  6. Step 6: Final answer
    x = 294,724,555.75

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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.