Home / 513,186,289,436.36-769,808,851,382.20-135,868,275,955.54

Finding the Fourth Proportional to 513,186,289,436.36, 769,808,851,382.20 and 135,868,275,955.54

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Solution

The fourth proportional to 513,186,289,436.36, 769,808,851,382.20 and 135,868,275,955.54 is: 203,810,202,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,186,289,436.36 : 769,808,851,382.20 = 135,868,275,955.54 : x
  2. Step 2: Convert to fraction form
    513,186,289,436.36/769,808,851,382.20 = 135,868,275,955.54/x
  3. Step 3: Cross multiply
    513,186,289,436.36x = 769,808,851,382.20 × 135,868,275,955.54
  4. Step 4: Simplify right side
    513,186,289,436.36x = 104,592,601,452,614,017,613,824
  5. Step 5: Solve for x
    x = 104,592,601,452,614,017,613,824/513,186,289,436.36
  6. Step 6: Final answer
    x = 203,810,202,270.78

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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.