Home / 1,429,964,416.71-2,144,906,974.44-380,711,622.51

Finding the Fourth Proportional to 1,429,964,416.71, 2,144,906,974.44 and 380,711,622.51

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Solution

The fourth proportional to 1,429,964,416.71, 2,144,906,974.44 and 380,711,622.51 is: 571,056,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,964,416.71 : 2,144,906,974.44 = 380,711,622.51 : x
  2. Step 2: Convert to fraction form
    1,429,964,416.71/2,144,906,974.44 = 380,711,622.51/x
  3. Step 3: Cross multiply
    1,429,964,416.71x = 2,144,906,974.44 × 380,711,622.51
  4. Step 4: Simplify right side
    1,429,964,416.71x = 816,591,014,372,067,456
  5. Step 5: Solve for x
    x = 816,591,014,372,067,456/1,429,964,416.71
  6. Step 6: Final answer
    x = 571,056,877.24

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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.