Home / 1,109,157,626.32-1,530,685,353.83-614,120,378.56

Finding the Fourth Proportional to 1,109,157,626.32, 1,530,685,353.83 and 614,120,378.56

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Solution

The fourth proportional to 1,109,157,626.32, 1,530,685,353.83 and 614,120,378.56 is: 847,512,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,157,626.32 : 1,530,685,353.83 = 614,120,378.56 : x
  2. Step 2: Convert to fraction form
    1,109,157,626.32/1,530,685,353.83 = 614,120,378.56/x
  3. Step 3: Cross multiply
    1,109,157,626.32x = 1,530,685,353.83 × 614,120,378.56
  4. Step 4: Simplify right side
    1,109,157,626.32x = 940,025,068,943,429,888
  5. Step 5: Solve for x
    x = 940,025,068,943,429,888/1,109,157,626.32
  6. Step 6: Final answer
    x = 847,512,604.74

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