Home / 489,943,338.30-734,915,007.45-444,593,706.30

Finding the Fourth Proportional to 489,943,338.30, 734,915,007.45 and 444,593,706.30

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Solution

The fourth proportional to 489,943,338.30, 734,915,007.45 and 444,593,706.30 is: 666,890,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,943,338.30 : 734,915,007.45 = 444,593,706.30 : x
  2. Step 2: Convert to fraction form
    489,943,338.30/734,915,007.45 = 444,593,706.30/x
  3. Step 3: Cross multiply
    489,943,338.30x = 734,915,007.45 × 444,593,706.30
  4. Step 4: Simplify right side
    489,943,338.30x = 326,738,586,977,687,616
  5. Step 5: Solve for x
    x = 326,738,586,977,687,616/489,943,338.30
  6. Step 6: Final answer
    x = 666,890,559.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.