Home / 18,105,100,847.55-27,155,582,543.16-4,841,393,463.12

Finding the Fourth Proportional to 18,105,100,847.55, 27,155,582,543.16 and 4,841,393,463.12

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Solution

The fourth proportional to 18,105,100,847.55, 27,155,582,543.16 and 4,841,393,463.12 is: 7,261,537,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105,100,847.55 : 27,155,582,543.16 = 4,841,393,463.12 : x
  2. Step 2: Convert to fraction form
    18,105,100,847.55/27,155,582,543.16 = 4,841,393,463.12/x
  3. Step 3: Cross multiply
    18,105,100,847.55x = 27,155,582,543.16 × 4,841,393,463.12
  4. Step 4: Simplify right side
    18,105,100,847.55x = 131,470,859,811,670,409,216
  5. Step 5: Solve for x
    x = 131,470,859,811,670,409,216/18,105,100,847.55
  6. Step 6: Final answer
    x = 7,261,537,006.54

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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.