Home / 8,162,479,721.28-12,245,662,396.08-2,641,737,760.32

Finding the Fourth Proportional to 8,162,479,721.28, 12,245,662,396.08 and 2,641,737,760.32

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Solution

The fourth proportional to 8,162,479,721.28, 12,245,662,396.08 and 2,641,737,760.32 is: 3,963,235,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162,479,721.28 : 12,245,662,396.08 = 2,641,737,760.32 : x
  2. Step 2: Convert to fraction form
    8,162,479,721.28/12,245,662,396.08 = 2,641,737,760.32/x
  3. Step 3: Cross multiply
    8,162,479,721.28x = 12,245,662,396.08 × 2,641,737,760.32
  4. Step 4: Simplify right side
    8,162,479,721.28x = 32,349,828,751,855,226,880
  5. Step 5: Solve for x
    x = 32,349,828,751,855,226,880/8,162,479,721.28
  6. Step 6: Final answer
    x = 3,963,235,420.67

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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.