Home / 545,730,234.60-818,630,781.30-287,449,908.60

Finding the Fourth Proportional to 545,730,234.60, 818,630,781.30 and 287,449,908.60

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Solution

The fourth proportional to 545,730,234.60, 818,630,781.30 and 287,449,908.60 is: 431,193,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,730,234.60 : 818,630,781.30 = 287,449,908.60 : x
  2. Step 2: Convert to fraction form
    545,730,234.60/818,630,781.30 = 287,449,908.60/x
  3. Step 3: Cross multiply
    545,730,234.60x = 818,630,781.30 × 287,449,908.60
  4. Step 4: Simplify right side
    545,730,234.60x = 235,315,343,261,831,584
  5. Step 5: Solve for x
    x = 235,315,343,261,831,584/545,730,234.60
  6. Step 6: Final answer
    x = 431,193,524.46

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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.