Home / 2,787,845,143.46-4,180,540,583.90-1,477,440,179.72

Finding the Fourth Proportional to 2,787,845,143.46, 4,180,540,583.90 and 1,477,440,179.72

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Solution

The fourth proportional to 2,787,845,143.46, 4,180,540,583.90 and 1,477,440,179.72 is: 2,215,509,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,845,143.46 : 4,180,540,583.90 = 1,477,440,179.72 : x
  2. Step 2: Convert to fraction form
    2,787,845,143.46/4,180,540,583.90 = 1,477,440,179.72/x
  3. Step 3: Cross multiply
    2,787,845,143.46x = 4,180,540,583.90 × 1,477,440,179.72
  4. Step 4: Simplify right side
    2,787,845,143.46x = 6,176,498,631,603,970,048
  5. Step 5: Solve for x
    x = 6,176,498,631,603,970,048/2,787,845,143.46
  6. Step 6: Final answer
    x = 2,215,509,941.82

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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.