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Finding the Fourth Proportional to 647,694,315.10, 971,541,472.65 and 634,780,298.80

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Solution

The fourth proportional to 647,694,315.10, 971,541,472.65 and 634,780,298.80 is: 952,170,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,694,315.10 : 971,541,472.65 = 634,780,298.80 : x
  2. Step 2: Convert to fraction form
    647,694,315.10/971,541,472.65 = 634,780,298.80/x
  3. Step 3: Cross multiply
    647,694,315.10x = 971,541,472.65 × 634,780,298.80
  4. Step 4: Simplify right side
    647,694,315.10x = 616,715,386,305,358,976
  5. Step 5: Solve for x
    x = 616,715,386,305,358,976/647,694,315.10
  6. Step 6: Final answer
    x = 952,170,448.20

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