Home / 489,912,035.20-734,868,052.80-403,747,734.40

Finding the Fourth Proportional to 489,912,035.20, 734,868,052.80 and 403,747,734.40

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Solution

The fourth proportional to 489,912,035.20, 734,868,052.80 and 403,747,734.40 is: 605,621,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,912,035.20 : 734,868,052.80 = 403,747,734.40 : x
  2. Step 2: Convert to fraction form
    489,912,035.20/734,868,052.80 = 403,747,734.40/x
  3. Step 3: Cross multiply
    489,912,035.20x = 734,868,052.80 × 403,747,734.40
  4. Step 4: Simplify right side
    489,912,035.20x = 296,701,311,400,939,520
  5. Step 5: Solve for x
    x = 296,701,311,400,939,520/489,912,035.20
  6. Step 6: Final answer
    x = 605,621,601.60

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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.