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Finding the Fourth Proportional to 20,194,758,007.70, 30,292,137,011.55 and 20,194,758,007.70

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Solution

The fourth proportional to 20,194,758,007.70, 30,292,137,011.55 and 20,194,758,007.70 is: 30,292,137,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,758,007.70 : 30,292,137,011.55 = 20,194,758,007.70 : x
  2. Step 2: Convert to fraction form
    20,194,758,007.70/30,292,137,011.55 = 20,194,758,007.70/x
  3. Step 3: Cross multiply
    20,194,758,007.70x = 30,292,137,011.55 × 20,194,758,007.70
  4. Step 4: Simplify right side
    20,194,758,007.70x = 611,742,376,484,344,954,880
  5. Step 5: Solve for x
    x = 611,742,376,484,344,954,880/20,194,758,007.70
  6. Step 6: Final answer
    x = 30,292,137,011.55

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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.