Home / 7,864,242,485.78-11,796,282,933.86-4,545,945,641.54

Finding the Fourth Proportional to 7,864,242,485.78, 11,796,282,933.86 and 4,545,945,641.54

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Solution

The fourth proportional to 7,864,242,485.78, 11,796,282,933.86 and 4,545,945,641.54 is: 6,818,871,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864,242,485.78 : 11,796,282,933.86 = 4,545,945,641.54 : x
  2. Step 2: Convert to fraction form
    7,864,242,485.78/11,796,282,933.86 = 4,545,945,641.54/x
  3. Step 3: Cross multiply
    7,864,242,485.78x = 11,796,282,933.86 × 4,545,945,641.54
  4. Step 4: Simplify right side
    7,864,242,485.78x = 53,625,260,989,503,660,032
  5. Step 5: Solve for x
    x = 53,625,260,989,503,660,032/7,864,242,485.78
  6. Step 6: Final answer
    x = 6,818,871,758.66

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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.