Home / 353,515,326.72-530,240,271.96-166,726,440.30

Finding the Fourth Proportional to 353,515,326.72, 530,240,271.96 and 166,726,440.30

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Solution

The fourth proportional to 353,515,326.72, 530,240,271.96 and 166,726,440.30 is: 250,074,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,515,326.72 : 530,240,271.96 = 166,726,440.30 : x
  2. Step 2: Convert to fraction form
    353,515,326.72/530,240,271.96 = 166,726,440.30/x
  3. Step 3: Cross multiply
    353,515,326.72x = 530,240,271.96 × 166,726,440.30
  4. Step 4: Simplify right side
    353,515,326.72x = 88,405,073,047,594,704
  5. Step 5: Solve for x
    x = 88,405,073,047,594,704/353,515,326.72
  6. Step 6: Final answer
    x = 250,074,229.79

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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.