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Finding the Fourth Proportional to 654,470,856.45, 981,706,284.68 and 654,470,856.45

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Solution

The fourth proportional to 654,470,856.45, 981,706,284.68 and 654,470,856.45 is: 981,706,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,470,856.45 : 981,706,284.68 = 654,470,856.45 : x
  2. Step 2: Convert to fraction form
    654,470,856.45/981,706,284.68 = 654,470,856.45/x
  3. Step 3: Cross multiply
    654,470,856.45x = 981,706,284.68 × 654,470,856.45
  4. Step 4: Simplify right side
    654,470,856.45x = 642,498,152,913,594,752
  5. Step 5: Solve for x
    x = 642,498,152,913,594,752/654,470,856.45
  6. Step 6: Final answer
    x = 981,706,284.68

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