Home / 353,731,402.80-530,597,104.20-215,415,025.20

Finding the Fourth Proportional to 353,731,402.80, 530,597,104.20 and 215,415,025.20

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Solution

The fourth proportional to 353,731,402.80, 530,597,104.20 and 215,415,025.20 is: 323,122,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,731,402.80 : 530,597,104.20 = 215,415,025.20 : x
  2. Step 2: Convert to fraction form
    353,731,402.80/530,597,104.20 = 215,415,025.20/x
  3. Step 3: Cross multiply
    353,731,402.80x = 530,597,104.20 × 215,415,025.20
  4. Step 4: Simplify right side
    353,731,402.80x = 114,298,588,572,290,016
  5. Step 5: Solve for x
    x = 114,298,588,572,290,016/353,731,402.80
  6. Step 6: Final answer
    x = 323,122,537.80

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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.