Home / 3,211,605,840.46-4,817,302,756.78-1,320,736,575.46

Finding the Fourth Proportional to 3,211,605,840.46, 4,817,302,756.78 and 1,320,736,575.46

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Solution

The fourth proportional to 3,211,605,840.46, 4,817,302,756.78 and 1,320,736,575.46 is: 1,981,061,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,605,840.46 : 4,817,302,756.78 = 1,320,736,575.46 : x
  2. Step 2: Convert to fraction form
    3,211,605,840.46/4,817,302,756.78 = 1,320,736,575.46/x
  3. Step 3: Cross multiply
    3,211,605,840.46x = 4,817,302,756.78 × 1,320,736,575.46
  4. Step 4: Simplify right side
    3,211,605,840.46x = 6,362,387,945,943,633,920
  5. Step 5: Solve for x
    x = 6,362,387,945,943,633,920/3,211,605,840.46
  6. Step 6: Final answer
    x = 1,981,061,270.28

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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.