Home / 818,447,269.86-1,228,544,846.19-352,339,396.74

Finding the Fourth Proportional to 818,447,269.86, 1,228,544,846.19 and 352,339,396.74

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Solution

The fourth proportional to 818,447,269.86, 1,228,544,846.19 and 352,339,396.74 is: 528,885,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,447,269.86 : 1,228,544,846.19 = 352,339,396.74 : x
  2. Step 2: Convert to fraction form
    818,447,269.86/1,228,544,846.19 = 352,339,396.74/x
  3. Step 3: Cross multiply
    818,447,269.86x = 1,228,544,846.19 × 352,339,396.74
  4. Step 4: Simplify right side
    818,447,269.86x = 432,864,749,974,620,736
  5. Step 5: Solve for x
    x = 432,864,749,974,620,736/818,447,269.86
  6. Step 6: Final answer
    x = 528,885,324.58

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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.