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Finding the Fourth Proportional to 968,914,743.90, 1,453,301,813.93 and 378,593,984.90

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Solution

The fourth proportional to 968,914,743.90, 1,453,301,813.93 and 378,593,984.90 is: 567,863,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,914,743.90 : 1,453,301,813.93 = 378,593,984.90 : x
  2. Step 2: Convert to fraction form
    968,914,743.90/1,453,301,813.93 = 378,593,984.90/x
  3. Step 3: Cross multiply
    968,914,743.90x = 1,453,301,813.93 × 378,593,984.90
  4. Step 4: Simplify right side
    968,914,743.90x = 550,211,324,988,997,504
  5. Step 5: Solve for x
    x = 550,211,324,988,997,504/968,914,743.90
  6. Step 6: Final answer
    x = 567,863,507.55

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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.