Home / 43,509,315,518.40-65,263,973,277.60-12,066,903,998.40

Finding the Fourth Proportional to 43,509,315,518.40, 65,263,973,277.60 and 12,066,903,998.40

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Solution

The fourth proportional to 43,509,315,518.40, 65,263,973,277.60 and 12,066,903,998.40 is: 18,100,355,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,509,315,518.40 : 65,263,973,277.60 = 12,066,903,998.40 : x
  2. Step 2: Convert to fraction form
    43,509,315,518.40/65,263,973,277.60 = 12,066,903,998.40/x
  3. Step 3: Cross multiply
    43,509,315,518.40x = 65,263,973,277.60 × 12,066,903,998.40
  4. Step 4: Simplify right side
    43,509,315,518.40x = 787,534,100,094,942,183,424
  5. Step 5: Solve for x
    x = 787,534,100,094,942,183,424/43,509,315,518.40
  6. Step 6: Final answer
    x = 18,100,355,997.60

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Double scale
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1.5x scale

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.