Home / 622,001,299.69-858,356,692.41-339,743,920.48

Finding the Fourth Proportional to 622,001,299.69, 858,356,692.41 and 339,743,920.48

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Solution

The fourth proportional to 622,001,299.69, 858,356,692.41 and 339,743,920.48 is: 468,843,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,001,299.69 : 858,356,692.41 = 339,743,920.48 : x
  2. Step 2: Convert to fraction form
    622,001,299.69/858,356,692.41 = 339,743,920.48/x
  3. Step 3: Cross multiply
    622,001,299.69x = 858,356,692.41 × 339,743,920.48
  4. Step 4: Simplify right side
    622,001,299.69x = 291,621,467,849,618,880
  5. Step 5: Solve for x
    x = 291,621,467,849,618,880/622,001,299.69
  6. Step 6: Final answer
    x = 468,843,823.95

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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.