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Finding the Fourth Proportional to 18,911,232,006.70, 28,366,848,010.06 and 18,911,232,006.70

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Solution

The fourth proportional to 18,911,232,006.70, 28,366,848,010.06 and 18,911,232,006.70 is: 28,366,848,010.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911,232,006.70 : 28,366,848,010.06 = 18,911,232,006.70 : x
  2. Step 2: Convert to fraction form
    18,911,232,006.70/28,366,848,010.06 = 18,911,232,006.70/x
  3. Step 3: Cross multiply
    18,911,232,006.70x = 28,366,848,010.06 × 18,911,232,006.70
  4. Step 4: Simplify right side
    18,911,232,006.70x = 536,452,044,017,040,949,248
  5. Step 5: Solve for x
    x = 536,452,044,017,040,949,248/18,911,232,006.70
  6. Step 6: Final answer
    x = 28,366,848,010.06

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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.