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Finding the Fourth Proportional to 11,509,164,011.70, 17,263,746,017.55 and 11,509,164,011.70

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Solution

The fourth proportional to 11,509,164,011.70, 17,263,746,017.55 and 11,509,164,011.70 is: 17,263,746,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509,164,011.70 : 17,263,746,017.55 = 11,509,164,011.70 : x
  2. Step 2: Convert to fraction form
    11,509,164,011.70/17,263,746,017.55 = 11,509,164,011.70/x
  3. Step 3: Cross multiply
    11,509,164,011.70x = 17,263,746,017.55 × 11,509,164,011.70
  4. Step 4: Simplify right side
    11,509,164,011.70x = 198,691,284,372,315,668,480
  5. Step 5: Solve for x
    x = 198,691,284,372,315,668,480/11,509,164,011.70
  6. Step 6: Final answer
    x = 17,263,746,017.55

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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.