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Finding the Fourth Proportional to 9,899,942,513.66, 14,856,455,978.64 and 4,661,048,945.66

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Solution

The fourth proportional to 9,899,942,513.66, 14,856,455,978.64 and 4,661,048,945.66 is: 6,994,653,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899,942,513.66 : 14,856,455,978.64 = 4,661,048,945.66 : x
  2. Step 2: Convert to fraction form
    9,899,942,513.66/14,856,455,978.64 = 4,661,048,945.66/x
  3. Step 3: Cross multiply
    9,899,942,513.66x = 14,856,455,978.64 × 4,661,048,945.66
  4. Step 4: Simplify right side
    9,899,942,513.66x = 69,246,668,475,484,168,192
  5. Step 5: Solve for x
    x = 69,246,668,475,484,168,192/9,899,942,513.66
  6. Step 6: Final answer
    x = 6,994,653,593.18

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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.