Home / 754,680,620.99-1,132,538,022.74-263,393,890.56

Finding the Fourth Proportional to 754,680,620.99, 1,132,538,022.74 and 263,393,890.56

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Solution

The fourth proportional to 754,680,620.99, 1,132,538,022.74 and 263,393,890.56 is: 395,271,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,680,620.99 : 1,132,538,022.74 = 263,393,890.56 : x
  2. Step 2: Convert to fraction form
    754,680,620.99/1,132,538,022.74 = 263,393,890.56/x
  3. Step 3: Cross multiply
    754,680,620.99x = 1,132,538,022.74 × 263,393,890.56
  4. Step 4: Simplify right side
    754,680,620.99x = 298,303,596,016,618,368
  5. Step 5: Solve for x
    x = 298,303,596,016,618,368/754,680,620.99
  6. Step 6: Final answer
    x = 395,271,307.78

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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.