Home / 531,504,137,808.72-797,258,275,119.36-128,586,961,591.38

Finding the Fourth Proportional to 531,504,137,808.72, 797,258,275,119.36 and 128,586,961,591.38

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Solution

The fourth proportional to 531,504,137,808.72, 797,258,275,119.36 and 128,586,961,591.38 is: 192,880,942,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,504,137,808.72 : 797,258,275,119.36 = 128,586,961,591.38 : x
  2. Step 2: Convert to fraction form
    531,504,137,808.72/797,258,275,119.36 = 128,586,961,591.38/x
  3. Step 3: Cross multiply
    531,504,137,808.72x = 797,258,275,119.36 × 128,586,961,591.38
  4. Step 4: Simplify right side
    531,504,137,808.72x = 102,517,019,201,183,022,055,424
  5. Step 5: Solve for x
    x = 102,517,019,201,183,022,055,424/531,504,137,808.72
  6. Step 6: Final answer
    x = 192,880,942,797.25

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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.