Home / 693,397,362.18-1,040,081,471.21-168,769,391.01

Finding the Fourth Proportional to 693,397,362.18, 1,040,081,471.21 and 168,769,391.01

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Solution

The fourth proportional to 693,397,362.18, 1,040,081,471.21 and 168,769,391.01 is: 253,150,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,397,362.18 : 1,040,081,471.21 = 168,769,391.01 : x
  2. Step 2: Convert to fraction form
    693,397,362.18/1,040,081,471.21 = 168,769,391.01/x
  3. Step 3: Cross multiply
    693,397,362.18x = 1,040,081,471.21 × 168,769,391.01
  4. Step 4: Simplify right side
    693,397,362.18x = 175,533,916,496,896,544
  5. Step 5: Solve for x
    x = 175,533,916,496,896,544/693,397,362.18
  6. Step 6: Final answer
    x = 253,150,539.75

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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.