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Finding the Fourth Proportional to 1,679,576,410.88, 2,520,488,356.88 and 697,002,917.12

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Solution

The fourth proportional to 1,679,576,410.88, 2,520,488,356.88 and 697,002,917.12 is: 1,045,970,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,576,410.88 : 2,520,488,356.88 = 697,002,917.12 : x
  2. Step 2: Convert to fraction form
    1,679,576,410.88/2,520,488,356.88 = 697,002,917.12/x
  3. Step 3: Cross multiply
    1,679,576,410.88x = 2,520,488,356.88 × 697,002,917.12
  4. Step 4: Simplify right side
    1,679,576,410.88x = 1,756,787,737,312,355,840
  5. Step 5: Solve for x
    x = 1,756,787,737,312,355,840/1,679,576,410.88
  6. Step 6: Final answer
    x = 1,045,970,713.77

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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.