Home / 782,405,434.76-1,171,671,050.09-574,651,198.44

Finding the Fourth Proportional to 782,405,434.76, 1,171,671,050.09 and 574,651,198.44

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Solution

The fourth proportional to 782,405,434.76, 1,171,671,050.09 and 574,651,198.44 is: 860,554,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,405,434.76 : 1,171,671,050.09 = 574,651,198.44 : x
  2. Step 2: Convert to fraction form
    782,405,434.76/1,171,671,050.09 = 574,651,198.44/x
  3. Step 3: Cross multiply
    782,405,434.76x = 1,171,671,050.09 × 574,651,198.44
  4. Step 4: Simplify right side
    782,405,434.76x = 673,302,173,113,108,480
  5. Step 5: Solve for x
    x = 673,302,173,113,108,480/782,405,434.76
  6. Step 6: Final answer
    x = 860,554,059.58

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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.