Home / 1,177,422,464.52-1,624,769,777.88-648,756,865.80

Finding the Fourth Proportional to 1,177,422,464.52, 1,624,769,777.88 and 648,756,865.80

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Solution

The fourth proportional to 1,177,422,464.52, 1,624,769,777.88 and 648,756,865.80 is: 895,244,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,422,464.52 : 1,624,769,777.88 = 648,756,865.80 : x
  2. Step 2: Convert to fraction form
    1,177,422,464.52/1,624,769,777.88 = 648,756,865.80/x
  3. Step 3: Cross multiply
    1,177,422,464.52x = 1,624,769,777.88 × 648,756,865.80
  4. Step 4: Simplify right side
    1,177,422,464.52x = 1,054,080,548,743,990,912
  5. Step 5: Solve for x
    x = 1,054,080,548,743,990,912/1,177,422,464.52
  6. Step 6: Final answer
    x = 895,244,129.03

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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.