Home / 1,196,764,935.32-1,651,561,744.56-660,915,508.56

Finding the Fourth Proportional to 1,196,764,935.32, 1,651,561,744.56 and 660,915,508.56

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Solution

The fourth proportional to 1,196,764,935.32, 1,651,561,744.56 and 660,915,508.56 is: 912,077,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,764,935.32 : 1,651,561,744.56 = 660,915,508.56 : x
  2. Step 2: Convert to fraction form
    1,196,764,935.32/1,651,561,744.56 = 660,915,508.56/x
  3. Step 3: Cross multiply
    1,196,764,935.32x = 1,651,561,744.56 × 660,915,508.56
  4. Step 4: Simplify right side
    1,196,764,935.32x = 1,091,542,770,324,113,024
  5. Step 5: Solve for x
    x = 1,091,542,770,324,113,024/1,196,764,935.32
  6. Step 6: Final answer
    x = 912,077,834.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.