Home / 217,394,849.40-325,879,697.70-194,436,598.20

Finding the Fourth Proportional to 217,394,849.40, 325,879,697.70 and 194,436,598.20

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Solution

The fourth proportional to 217,394,849.40, 325,879,697.70 and 194,436,598.20 is: 291,464,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,394,849.40 : 325,879,697.70 = 194,436,598.20 : x
  2. Step 2: Convert to fraction form
    217,394,849.40/325,879,697.70 = 194,436,598.20/x
  3. Step 3: Cross multiply
    217,394,849.40x = 325,879,697.70 × 194,436,598.20
  4. Step 4: Simplify right side
    217,394,849.40x = 63,362,939,843,232,360
  5. Step 5: Solve for x
    x = 63,362,939,843,232,360/217,394,849.40
  6. Step 6: Final answer
    x = 291,464,770.29

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1.5x scale

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.