Home / 5,315,395,418.60-7,972,337,300.70-1,821,962,100.20

Finding the Fourth Proportional to 5,315,395,418.60, 7,972,337,300.70 and 1,821,962,100.20

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Solution

The fourth proportional to 5,315,395,418.60, 7,972,337,300.70 and 1,821,962,100.20 is: 2,732,684,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,395,418.60 : 7,972,337,300.70 = 1,821,962,100.20 : x
  2. Step 2: Convert to fraction form
    5,315,395,418.60/7,972,337,300.70 = 1,821,962,100.20/x
  3. Step 3: Cross multiply
    5,315,395,418.60x = 7,972,337,300.70 × 1,821,962,100.20
  4. Step 4: Simplify right side
    5,315,395,418.60x = 14,525,296,411,886,170,112
  5. Step 5: Solve for x
    x = 14,525,296,411,886,170,112/5,315,395,418.60
  6. Step 6: Final answer
    x = 2,732,684,074.84

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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.