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Finding the Fourth Proportional to 12,398,103,696.05, 18,597,155,544.08 and 12,398,103,696.05

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Solution

The fourth proportional to 12,398,103,696.05, 18,597,155,544.08 and 12,398,103,696.05 is: 18,597,155,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,103,696.05 : 18,597,155,544.08 = 12,398,103,696.05 : x
  2. Step 2: Convert to fraction form
    12,398,103,696.05/18,597,155,544.08 = 12,398,103,696.05/x
  3. Step 3: Cross multiply
    12,398,103,696.05x = 18,597,155,544.08 × 12,398,103,696.05
  4. Step 4: Simplify right side
    12,398,103,696.05x = 230,569,462,887,075,020,800
  5. Step 5: Solve for x
    x = 230,569,462,887,075,020,800/12,398,103,696.05
  6. Step 6: Final answer
    x = 18,597,155,544.08

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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.