Home / 1,195,013,791.80-1,649,120,621.34-659,153,439.60

Finding the Fourth Proportional to 1,195,013,791.80, 1,649,120,621.34 and 659,153,439.60

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Solution

The fourth proportional to 1,195,013,791.80, 1,649,120,621.34 and 659,153,439.60 is: 909,632,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,013,791.80 : 1,649,120,621.34 = 659,153,439.60 : x
  2. Step 2: Convert to fraction form
    1,195,013,791.80/1,649,120,621.34 = 659,153,439.60/x
  3. Step 3: Cross multiply
    1,195,013,791.80x = 1,649,120,621.34 × 659,153,439.60
  4. Step 4: Simplify right side
    1,195,013,791.80x = 1,087,023,529,871,550,080
  5. Step 5: Solve for x
    x = 1,087,023,529,871,550,080/1,195,013,791.80
  6. Step 6: Final answer
    x = 909,632,622.93

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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.