Home / 7,043,278,834.83-9,719,594,033.04-3,871,394,943.24

Finding the Fourth Proportional to 7,043,278,834.83, 9,719,594,033.04 and 3,871,394,943.24

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Solution

The fourth proportional to 7,043,278,834.83, 9,719,594,033.04 and 3,871,394,943.24 is: 5,342,453,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043,278,834.83 : 9,719,594,033.04 = 3,871,394,943.24 : x
  2. Step 2: Convert to fraction form
    7,043,278,834.83/9,719,594,033.04 = 3,871,394,943.24/x
  3. Step 3: Cross multiply
    7,043,278,834.83x = 9,719,594,033.04 × 3,871,394,943.24
  4. Step 4: Simplify right side
    7,043,278,834.83x = 37,628,387,189,856,731,136
  5. Step 5: Solve for x
    x = 37,628,387,189,856,731,136/7,043,278,834.83
  6. Step 6: Final answer
    x = 5,342,453,148.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.