Home / 561,723,193.80-842,587,415.10-198,217,549.80

Finding the Fourth Proportional to 561,723,193.80, 842,587,415.10 and 198,217,549.80

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Solution

The fourth proportional to 561,723,193.80, 842,587,415.10 and 198,217,549.80 is: 297,327,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,723,193.80 : 842,587,415.10 = 198,217,549.80 : x
  2. Step 2: Convert to fraction form
    561,723,193.80/842,587,415.10 = 198,217,549.80/x
  3. Step 3: Cross multiply
    561,723,193.80x = 842,587,415.10 × 198,217,549.80
  4. Step 4: Simplify right side
    561,723,193.80x = 167,015,612,913,437,536
  5. Step 5: Solve for x
    x = 167,015,612,913,437,536/561,723,193.80
  6. Step 6: Final answer
    x = 297,327,250.78

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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.