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Finding the Fourth Proportional to 7,339,572,021.45, 11,009,358,032.19 and 7,339,572,021.45

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Solution

The fourth proportional to 7,339,572,021.45, 11,009,358,032.19 and 7,339,572,021.45 is: 11,009,358,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,572,021.45 : 11,009,358,032.19 = 7,339,572,021.45 : x
  2. Step 2: Convert to fraction form
    7,339,572,021.45/11,009,358,032.19 = 7,339,572,021.45/x
  3. Step 3: Cross multiply
    7,339,572,021.45x = 11,009,358,032.19 × 7,339,572,021.45
  4. Step 4: Simplify right side
    7,339,572,021.45x = 80,803,976,187,187,560,448
  5. Step 5: Solve for x
    x = 80,803,976,187,187,560,448/7,339,572,021.45
  6. Step 6: Final answer
    x = 11,009,358,032.19

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Double scale
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1.5x scale

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.