Home / 545,216,652.66-818,080,365.78-268,717,137.06

Finding the Fourth Proportional to 545,216,652.66, 818,080,365.78 and 268,717,137.06

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Solution

The fourth proportional to 545,216,652.66, 818,080,365.78 and 268,717,137.06 is: 403,201,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,216,652.66 : 818,080,365.78 = 268,717,137.06 : x
  2. Step 2: Convert to fraction form
    545,216,652.66/818,080,365.78 = 268,717,137.06/x
  3. Step 3: Cross multiply
    545,216,652.66x = 818,080,365.78 × 268,717,137.06
  4. Step 4: Simplify right side
    545,216,652.66x = 219,832,213,777,399,200
  5. Step 5: Solve for x
    x = 219,832,213,777,399,200/545,216,652.66
  6. Step 6: Final answer
    x = 403,201,576.30

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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.