Home / 7,978,177,055.80-11,967,265,583.70-3,556,587,935.80

Finding the Fourth Proportional to 7,978,177,055.80, 11,967,265,583.70 and 3,556,587,935.80

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Solution

The fourth proportional to 7,978,177,055.80, 11,967,265,583.70 and 3,556,587,935.80 is: 5,334,881,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,177,055.80 : 11,967,265,583.70 = 3,556,587,935.80 : x
  2. Step 2: Convert to fraction form
    7,978,177,055.80/11,967,265,583.70 = 3,556,587,935.80/x
  3. Step 3: Cross multiply
    7,978,177,055.80x = 11,967,265,583.70 × 3,556,587,935.80
  4. Step 4: Simplify right side
    7,978,177,055.80x = 42,562,632,399,501,967,360
  5. Step 5: Solve for x
    x = 42,562,632,399,501,967,360/7,978,177,055.80
  6. Step 6: Final answer
    x = 5,334,881,903.70

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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.