Home / 1,129,621,735.64-1,693,462,171.38-392,595,892.76

Finding the Fourth Proportional to 1,129,621,735.64, 1,693,462,171.38 and 392,595,892.76

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Solution

The fourth proportional to 1,129,621,735.64, 1,693,462,171.38 and 392,595,892.76 is: 588,556,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,621,735.64 : 1,693,462,171.38 = 392,595,892.76 : x
  2. Step 2: Convert to fraction form
    1,129,621,735.64/1,693,462,171.38 = 392,595,892.76/x
  3. Step 3: Cross multiply
    1,129,621,735.64x = 1,693,462,171.38 × 392,595,892.76
  4. Step 4: Simplify right side
    1,129,621,735.64x = 664,846,293,028,219,264
  5. Step 5: Solve for x
    x = 664,846,293,028,219,264/1,129,621,735.64
  6. Step 6: Final answer
    x = 588,556,569.03

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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.