Home / 1,429,964,415.96-2,144,906,973.32-380,711,621.76

Finding the Fourth Proportional to 1,429,964,415.96, 2,144,906,973.32 and 380,711,621.76

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Solution

The fourth proportional to 1,429,964,415.96, 2,144,906,973.32 and 380,711,621.76 is: 571,056,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,964,415.96 : 2,144,906,973.32 = 380,711,621.76 : x
  2. Step 2: Convert to fraction form
    1,429,964,415.96/2,144,906,973.32 = 380,711,621.76/x
  3. Step 3: Cross multiply
    1,429,964,415.96x = 2,144,906,973.32 × 380,711,621.76
  4. Step 4: Simplify right side
    1,429,964,415.96x = 816,591,012,335,086,720
  5. Step 5: Solve for x
    x = 816,591,012,335,086,720/1,429,964,415.96
  6. Step 6: Final answer
    x = 571,056,876.12

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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.