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Finding the Fourth Proportional to 15,687,521,606.20, 23,531,282,409.30 and 15,687,521,606.20

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Solution

The fourth proportional to 15,687,521,606.20, 23,531,282,409.30 and 15,687,521,606.20 is: 23,531,282,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687,521,606.20 : 23,531,282,409.30 = 15,687,521,606.20 : x
  2. Step 2: Convert to fraction form
    15,687,521,606.20/23,531,282,409.30 = 15,687,521,606.20/x
  3. Step 3: Cross multiply
    15,687,521,606.20x = 23,531,282,409.30 × 15,687,521,606.20
  4. Step 4: Simplify right side
    15,687,521,606.20x = 369,147,501,217,487,716,352
  5. Step 5: Solve for x
    x = 369,147,501,217,487,716,352/15,687,521,606.20
  6. Step 6: Final answer
    x = 23,531,282,409.30

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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.