Home / 1,247,380,784,518.20-1,867,848,767,433.90-860,899,473,996.70

Finding the Fourth Proportional to 1,247,380,784,518.20, 1,867,848,767,433.90 and 860,899,473,996.70

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Solution

The fourth proportional to 1,247,380,784,518.20, 1,867,848,767,433.90 and 860,899,473,996.70 is: 1,289,125,214,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,380,784,518.20 : 1,867,848,767,433.90 = 860,899,473,996.70 : x
  2. Step 2: Convert to fraction form
    1,247,380,784,518.20/1,867,848,767,433.90 = 860,899,473,996.70/x
  3. Step 3: Cross multiply
    1,247,380,784,518.20x = 1,867,848,767,433.90 × 860,899,473,996.70
  4. Step 4: Simplify right side
    1,247,380,784,518.20x = 1,608,030,021,389,228,743,589,888
  5. Step 5: Solve for x
    x = 1,608,030,021,389,228,743,589,888/1,247,380,784,518.20
  6. Step 6: Final answer
    x = 1,289,125,214,487.19

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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.