Home / 1,244,147,738.55-1,866,208,825.83-719,182,808.11

Finding the Fourth Proportional to 1,244,147,738.55, 1,866,208,825.83 and 719,182,808.11

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Solution

The fourth proportional to 1,244,147,738.55, 1,866,208,825.83 and 719,182,808.11 is: 1,078,766,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,147,738.55 : 1,866,208,825.83 = 719,182,808.11 : x
  2. Step 2: Convert to fraction form
    1,244,147,738.55/1,866,208,825.83 = 719,182,808.11/x
  3. Step 3: Cross multiply
    1,244,147,738.55x = 1,866,208,825.83 × 719,182,808.11
  4. Step 4: Simplify right side
    1,244,147,738.55x = 1,342,145,303,876,489,472
  5. Step 5: Solve for x
    x = 1,342,145,303,876,489,472/1,244,147,738.55
  6. Step 6: Final answer
    x = 1,078,766,823.50

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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.