Home / 459,856,227.60-689,794,142.40-164,770,622.64

Finding the Fourth Proportional to 459,856,227.60, 689,794,142.40 and 164,770,622.64

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Solution

The fourth proportional to 459,856,227.60, 689,794,142.40 and 164,770,622.64 is: 247,159,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,856,227.60 : 689,794,142.40 = 164,770,622.64 : x
  2. Step 2: Convert to fraction form
    459,856,227.60/689,794,142.40 = 164,770,622.64/x
  3. Step 3: Cross multiply
    459,856,227.60x = 689,794,142.40 × 164,770,622.64
  4. Step 4: Simplify right side
    459,856,227.60x = 113,657,810,336,672,816
  5. Step 5: Solve for x
    x = 113,657,810,336,672,816/459,856,227.60
  6. Step 6: Final answer
    x = 247,159,445.75

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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.