Home / 1,861,766,981.74-2,791,810,074.09-533,491,205.86

Finding the Fourth Proportional to 1,861,766,981.74, 2,791,810,074.09 and 533,491,205.86

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Solution

The fourth proportional to 1,861,766,981.74, 2,791,810,074.09 and 533,491,205.86 is: 799,995,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,766,981.74 : 2,791,810,074.09 = 533,491,205.86 : x
  2. Step 2: Convert to fraction form
    1,861,766,981.74/2,791,810,074.09 = 533,491,205.86/x
  3. Step 3: Cross multiply
    1,861,766,981.74x = 2,791,810,074.09 × 533,491,205.86
  4. Step 4: Simplify right side
    1,861,766,981.74x = 1,489,406,122,958,370,048
  5. Step 5: Solve for x
    x = 1,489,406,122,958,370,048/1,861,766,981.74
  6. Step 6: Final answer
    x = 799,995,991.75

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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.