Home / 497,341,309.14-686,318,983.38-274,318,201.14

Finding the Fourth Proportional to 497,341,309.14, 686,318,983.38 and 274,318,201.14

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Solution

The fourth proportional to 497,341,309.14, 686,318,983.38 and 274,318,201.14 is: 378,552,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,341,309.14 : 686,318,983.38 = 274,318,201.14 : x
  2. Step 2: Convert to fraction form
    497,341,309.14/686,318,983.38 = 274,318,201.14/x
  3. Step 3: Cross multiply
    497,341,309.14x = 686,318,983.38 × 274,318,201.14
  4. Step 4: Simplify right side
    497,341,309.14x = 188,269,788,929,035,136
  5. Step 5: Solve for x
    x = 188,269,788,929,035,136/497,341,309.14
  6. Step 6: Final answer
    x = 378,552,485.93

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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.