Home / 2,787,609,927.16-4,181,396,289.90-1,129,492,749.52

Finding the Fourth Proportional to 2,787,609,927.16, 4,181,396,289.90 and 1,129,492,749.52

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Solution

The fourth proportional to 2,787,609,927.16, 4,181,396,289.90 and 1,129,492,749.52 is: 1,694,231,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,609,927.16 : 4,181,396,289.90 = 1,129,492,749.52 : x
  2. Step 2: Convert to fraction form
    2,787,609,927.16/4,181,396,289.90 = 1,129,492,749.52/x
  3. Step 3: Cross multiply
    2,787,609,927.16x = 4,181,396,289.90 × 1,129,492,749.52
  4. Step 4: Simplify right side
    2,787,609,927.16x = 4,722,856,792,311,877,632
  5. Step 5: Solve for x
    x = 4,722,856,792,311,877,632/2,787,609,927.16
  6. Step 6: Final answer
    x = 1,694,231,587.53

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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.