Home / 714,147,905.70-1,071,221,858.55-196,658,216.10

Finding the Fourth Proportional to 714,147,905.70, 1,071,221,858.55 and 196,658,216.10

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Solution

The fourth proportional to 714,147,905.70, 1,071,221,858.55 and 196,658,216.10 is: 294,987,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,147,905.70 : 1,071,221,858.55 = 196,658,216.10 : x
  2. Step 2: Convert to fraction form
    714,147,905.70/1,071,221,858.55 = 196,658,216.10/x
  3. Step 3: Cross multiply
    714,147,905.70x = 1,071,221,858.55 × 196,658,216.10
  4. Step 4: Simplify right side
    714,147,905.70x = 210,664,579,749,769,504
  5. Step 5: Solve for x
    x = 210,664,579,749,769,504/714,147,905.70
  6. Step 6: Final answer
    x = 294,987,324.15

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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.