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Finding the Fourth Proportional to 647,834,851.80, 971,752,277.70 and 647,834,851.80

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Solution

The fourth proportional to 647,834,851.80, 971,752,277.70 and 647,834,851.80 is: 971,752,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,834,851.80 : 971,752,277.70 = 647,834,851.80 : x
  2. Step 2: Convert to fraction form
    647,834,851.80/971,752,277.70 = 647,834,851.80/x
  3. Step 3: Cross multiply
    647,834,851.80x = 971,752,277.70 × 647,834,851.80
  4. Step 4: Simplify right side
    647,834,851.80x = 629,534,992,810,091,904
  5. Step 5: Solve for x
    x = 629,534,992,810,091,904/647,834,851.80
  6. Step 6: Final answer
    x = 971,752,277.70

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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.