Home / 816,150,579.60-1,226,614,656.60-711,043,942.80

Finding the Fourth Proportional to 816,150,579.60, 1,226,614,656.60 and 711,043,942.80

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Solution

The fourth proportional to 816,150,579.60, 1,226,614,656.60 and 711,043,942.80 is: 1,068,647,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,150,579.60 : 1,226,614,656.60 = 711,043,942.80 : x
  2. Step 2: Convert to fraction form
    816,150,579.60/1,226,614,656.60 = 711,043,942.80/x
  3. Step 3: Cross multiply
    816,150,579.60x = 1,226,614,656.60 × 711,043,942.80
  4. Step 4: Simplify right side
    816,150,579.60x = 872,176,921,725,131,904
  5. Step 5: Solve for x
    x = 872,176,921,725,131,904/816,150,579.60
  6. Step 6: Final answer
    x = 1,068,647,065.29

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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.