Home / 489,855,043.50-734,782,565.25-202,640,707.50

Finding the Fourth Proportional to 489,855,043.50, 734,782,565.25 and 202,640,707.50

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Solution

The fourth proportional to 489,855,043.50, 734,782,565.25 and 202,640,707.50 is: 303,961,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,855,043.50 : 734,782,565.25 = 202,640,707.50 : x
  2. Step 2: Convert to fraction form
    489,855,043.50/734,782,565.25 = 202,640,707.50/x
  3. Step 3: Cross multiply
    489,855,043.50x = 734,782,565.25 × 202,640,707.50
  4. Step 4: Simplify right side
    489,855,043.50x = 148,896,858,880,924,928
  5. Step 5: Solve for x
    x = 148,896,858,880,924,928/489,855,043.50
  6. Step 6: Final answer
    x = 303,961,061.25

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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.