Home / 654,826,812.60-982,376,687.70-218,263,121.40

Finding the Fourth Proportional to 654,826,812.60, 982,376,687.70 and 218,263,121.40

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Solution

The fourth proportional to 654,826,812.60, 982,376,687.70 and 218,263,121.40 is: 327,440,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,826,812.60 : 982,376,687.70 = 218,263,121.40 : x
  2. Step 2: Convert to fraction form
    654,826,812.60/982,376,687.70 = 218,263,121.40/x
  3. Step 3: Cross multiply
    654,826,812.60x = 982,376,687.70 × 218,263,121.40
  4. Step 4: Simplify right side
    654,826,812.60x = 214,416,602,247,995,008
  5. Step 5: Solve for x
    x = 214,416,602,247,995,008/654,826,812.60
  6. Step 6: Final answer
    x = 327,440,169.10

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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.