Home / 785,159,599.44-1,083,562,857.48-450,629,447.40

Finding the Fourth Proportional to 785,159,599.44, 1,083,562,857.48 and 450,629,447.40

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Solution

The fourth proportional to 785,159,599.44, 1,083,562,857.48 and 450,629,447.40 is: 621,893,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,159,599.44 : 1,083,562,857.48 = 450,629,447.40 : x
  2. Step 2: Convert to fraction form
    785,159,599.44/1,083,562,857.48 = 450,629,447.40/x
  3. Step 3: Cross multiply
    785,159,599.44x = 1,083,562,857.48 × 450,629,447.40
  4. Step 4: Simplify right side
    785,159,599.44x = 488,285,331,689,377,344
  5. Step 5: Solve for x
    x = 488,285,331,689,377,344/785,159,599.44
  6. Step 6: Final answer
    x = 621,893,092.87

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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.