Home / 7,668,203,651.46-11,509,376,142.96-3,889,248,197.58

Finding the Fourth Proportional to 7,668,203,651.46, 11,509,376,142.96 and 3,889,248,197.58

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Solution

The fourth proportional to 7,668,203,651.46, 11,509,376,142.96 and 3,889,248,197.58 is: 5,837,458,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668,203,651.46 : 11,509,376,142.96 = 3,889,248,197.58 : x
  2. Step 2: Convert to fraction form
    7,668,203,651.46/11,509,376,142.96 = 3,889,248,197.58/x
  3. Step 3: Cross multiply
    7,668,203,651.46x = 11,509,376,142.96 × 3,889,248,197.58
  4. Step 4: Simplify right side
    7,668,203,651.46x = 44,762,820,419,277,430,784
  5. Step 5: Solve for x
    x = 44,762,820,419,277,430,784/7,668,203,651.46
  6. Step 6: Final answer
    x = 5,837,458,478.40

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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.