Home / 545,684,883.45-818,646,899.40-269,468,423.70

Finding the Fourth Proportional to 545,684,883.45, 818,646,899.40 and 269,468,423.70

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Solution

The fourth proportional to 545,684,883.45, 818,646,899.40 and 269,468,423.70 is: 404,261,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,684,883.45 : 818,646,899.40 = 269,468,423.70 : x
  2. Step 2: Convert to fraction form
    545,684,883.45/818,646,899.40 = 269,468,423.70/x
  3. Step 3: Cross multiply
    545,684,883.45x = 818,646,899.40 × 269,468,423.70
  4. Step 4: Simplify right side
    545,684,883.45x = 220,599,489,548,210,464
  5. Step 5: Solve for x
    x = 220,599,489,548,210,464/545,684,883.45
  6. Step 6: Final answer
    x = 404,261,683.32

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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.