Home / 664,368,175.80-996,552,263.70-276,947,686.80

Finding the Fourth Proportional to 664,368,175.80, 996,552,263.70 and 276,947,686.80

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Solution

The fourth proportional to 664,368,175.80, 996,552,263.70 and 276,947,686.80 is: 415,421,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,368,175.80 : 996,552,263.70 = 276,947,686.80 : x
  2. Step 2: Convert to fraction form
    664,368,175.80/996,552,263.70 = 276,947,686.80/x
  3. Step 3: Cross multiply
    664,368,175.80x = 996,552,263.70 × 276,947,686.80
  4. Step 4: Simplify right side
    664,368,175.80x = 275,992,844,207,018,624
  5. Step 5: Solve for x
    x = 275,992,844,207,018,624/664,368,175.80
  6. Step 6: Final answer
    x = 415,421,530.20

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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.