Home / 856,166,401.98-1,181,489,539.50-503,765,217.72

Finding the Fourth Proportional to 856,166,401.98, 1,181,489,539.50 and 503,765,217.72

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Solution

The fourth proportional to 856,166,401.98, 1,181,489,539.50 and 503,765,217.72 is: 695,184,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,166,401.98 : 1,181,489,539.50 = 503,765,217.72 : x
  2. Step 2: Convert to fraction form
    856,166,401.98/1,181,489,539.50 = 503,765,217.72/x
  3. Step 3: Cross multiply
    856,166,401.98x = 1,181,489,539.50 × 503,765,217.72
  4. Step 4: Simplify right side
    856,166,401.98x = 595,193,335,100,120,064
  5. Step 5: Solve for x
    x = 595,193,335,100,120,064/856,166,401.98
  6. Step 6: Final answer
    x = 695,184,176.49

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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.