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Finding the Fourth Proportional to 13,952,404,263.15, 20,928,606,394.73 and 13,952,404,263.15

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Solution

The fourth proportional to 13,952,404,263.15, 20,928,606,394.73 and 13,952,404,263.15 is: 20,928,606,394.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952,404,263.15 : 20,928,606,394.73 = 13,952,404,263.15 : x
  2. Step 2: Convert to fraction form
    13,952,404,263.15/20,928,606,394.73 = 13,952,404,263.15/x
  3. Step 3: Cross multiply
    13,952,404,263.15x = 20,928,606,394.73 × 13,952,404,263.15
  4. Step 4: Simplify right side
    13,952,404,263.15x = 292,004,377,083,549,417,472
  5. Step 5: Solve for x
    x = 292,004,377,083,549,417,472/13,952,404,263.15
  6. Step 6: Final answer
    x = 20,928,606,394.73

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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.