Home / 497,338,511.33-686,315,118.75-274,315,401.92

Finding the Fourth Proportional to 497,338,511.33, 686,315,118.75 and 274,315,401.92

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Solution

The fourth proportional to 497,338,511.33, 686,315,118.75 and 274,315,401.92 is: 378,548,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,338,511.33 : 686,315,118.75 = 274,315,401.92 : x
  2. Step 2: Convert to fraction form
    497,338,511.33/686,315,118.75 = 274,315,401.92/x
  3. Step 3: Cross multiply
    497,338,511.33x = 686,315,118.75 × 274,315,401.92
  4. Step 4: Simplify right side
    497,338,511.33x = 188,266,807,640,247,232
  5. Step 5: Solve for x
    x = 188,266,807,640,247,232/497,338,511.33
  6. Step 6: Final answer
    x = 378,548,621.02

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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.