Home / 218,509,313.20-327,763,969.80-194,700,756.40

Finding the Fourth Proportional to 218,509,313.20, 327,763,969.80 and 194,700,756.40

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Solution

The fourth proportional to 218,509,313.20, 327,763,969.80 and 194,700,756.40 is: 292,051,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,509,313.20 : 327,763,969.80 = 194,700,756.40 : x
  2. Step 2: Convert to fraction form
    218,509,313.20/327,763,969.80 = 194,700,756.40/x
  3. Step 3: Cross multiply
    218,509,313.20x = 327,763,969.80 × 194,700,756.40
  4. Step 4: Simplify right side
    218,509,313.20x = 63,815,892,840,726,760
  5. Step 5: Solve for x
    x = 63,815,892,840,726,760/218,509,313.20
  6. Step 6: Final answer
    x = 292,051,134.60

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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.