Home / 751,677,546.47-1,037,338,603.36-434,131,893.37

Finding the Fourth Proportional to 751,677,546.47, 1,037,338,603.36 and 434,131,893.37

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Solution

The fourth proportional to 751,677,546.47, 1,037,338,603.36 and 434,131,893.37 is: 599,115,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,677,546.47 : 1,037,338,603.36 = 434,131,893.37 : x
  2. Step 2: Convert to fraction form
    751,677,546.47/1,037,338,603.36 = 434,131,893.37/x
  3. Step 3: Cross multiply
    751,677,546.47x = 1,037,338,603.36 × 434,131,893.37
  4. Step 4: Simplify right side
    751,677,546.47x = 450,341,771,936,839,360
  5. Step 5: Solve for x
    x = 450,341,771,936,839,360/751,677,546.47
  6. Step 6: Final answer
    x = 599,115,636.82

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1.5x scale

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.