Home / 579,401,493.96-799,562,976.12-318,641,109.96

Finding the Fourth Proportional to 579,401,493.96, 799,562,976.12 and 318,641,109.96

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Solution

The fourth proportional to 579,401,493.96, 799,562,976.12 and 318,641,109.96 is: 439,718,635.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,401,493.96 : 799,562,976.12 = 318,641,109.96 : x
  2. Step 2: Convert to fraction form
    579,401,493.96/799,562,976.12 = 318,641,109.96/x
  3. Step 3: Cross multiply
    579,401,493.96x = 799,562,976.12 × 318,641,109.96
  4. Step 4: Simplify right side
    579,401,493.96x = 254,773,634,193,797,760
  5. Step 5: Solve for x
    x = 254,773,634,193,797,760/579,401,493.96
  6. Step 6: Final answer
    x = 439,718,635.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.