Home / 43,509,315,519.90-65,263,973,279.85-12,066,903,999.90

Finding the Fourth Proportional to 43,509,315,519.90, 65,263,973,279.85 and 12,066,903,999.90

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Solution

The fourth proportional to 43,509,315,519.90, 65,263,973,279.85 and 12,066,903,999.90 is: 18,100,355,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,509,315,519.90 : 65,263,973,279.85 = 12,066,903,999.90 : x
  2. Step 2: Convert to fraction form
    43,509,315,519.90/65,263,973,279.85 = 12,066,903,999.90/x
  3. Step 3: Cross multiply
    43,509,315,519.90x = 65,263,973,279.85 × 12,066,903,999.90
  4. Step 4: Simplify right side
    43,509,315,519.90x = 787,534,100,219,988,672,512
  5. Step 5: Solve for x
    x = 787,534,100,219,988,672,512/43,509,315,519.90
  6. Step 6: Final answer
    x = 18,100,355,999.85

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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.