Home / 368,907,483.15-509,091,895.37-201,644,842.89

Finding the Fourth Proportional to 368,907,483.15, 509,091,895.37 and 201,644,842.89

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Solution

The fourth proportional to 368,907,483.15, 509,091,895.37 and 201,644,842.89 is: 278,269,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,907,483.15 : 509,091,895.37 = 201,644,842.89 : x
  2. Step 2: Convert to fraction form
    368,907,483.15/509,091,895.37 = 201,644,842.89/x
  3. Step 3: Cross multiply
    368,907,483.15x = 509,091,895.37 × 201,644,842.89
  4. Step 4: Simplify right side
    368,907,483.15x = 102,655,755,257,447,744
  5. Step 5: Solve for x
    x = 102,655,755,257,447,744/368,907,483.15
  6. Step 6: Final answer
    x = 278,269,647.39

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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.