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Finding the Fourth Proportional to 692,631,114.70, 955,831,453.62 and 375,093,825.51

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Solution

The fourth proportional to 692,631,114.70, 955,831,453.62 and 375,093,825.51 is: 517,629,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,631,114.70 : 955,831,453.62 = 375,093,825.51 : x
  2. Step 2: Convert to fraction form
    692,631,114.70/955,831,453.62 = 375,093,825.51/x
  3. Step 3: Cross multiply
    692,631,114.70x = 955,831,453.62 × 375,093,825.51
  4. Step 4: Simplify right side
    692,631,114.70x = 358,526,476,481,109,952
  5. Step 5: Solve for x
    x = 358,526,476,481,109,952/692,631,114.70
  6. Step 6: Final answer
    x = 517,629,758.28

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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.