Home / 477,622,845.81-716,438,280.78-132,603,378.21

Finding the Fourth Proportional to 477,622,845.81, 716,438,280.78 and 132,603,378.21

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Solution

The fourth proportional to 477,622,845.81, 716,438,280.78 and 132,603,378.21 is: 198,906,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,622,845.81 : 716,438,280.78 = 132,603,378.21 : x
  2. Step 2: Convert to fraction form
    477,622,845.81/716,438,280.78 = 132,603,378.21/x
  3. Step 3: Cross multiply
    477,622,845.81x = 716,438,280.78 × 132,603,378.21
  4. Step 4: Simplify right side
    477,622,845.81x = 95,002,136,310,392,512
  5. Step 5: Solve for x
    x = 95,002,136,310,392,512/477,622,845.81
  6. Step 6: Final answer
    x = 198,906,181.19

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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.