Home / 12,172,143,755,009-16,797,569,205,728-6,616,468,217,467.40

Finding the Fourth Proportional to 12,172,143,755,009, 16,797,569,205,728 and 6,616,468,217,467.40

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Solution

The fourth proportional to 12,172,143,755,009, 16,797,569,205,728 and 6,616,468,217,467.40 is: 9,130,732,023,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,143,755,009 : 16,797,569,205,728 = 6,616,468,217,467.40 : x
  2. Step 2: Convert to fraction form
    12,172,143,755,009/16,797,569,205,728 = 6,616,468,217,467.40/x
  3. Step 3: Cross multiply
    12,172,143,755,009x = 16,797,569,205,728 × 6,616,468,217,467.40
  4. Step 4: Simplify right side
    12,172,143,755,009x = 111,140,582,780,408,437,822,980,096
  5. Step 5: Solve for x
    x = 111,140,582,780,408,437,822,980,096/12,172,143,755,009
  6. Step 6: Final answer
    x = 9,130,732,023,656.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.