Finding the Fourth Proportional to 2,628,291,220.90, 3,942,436,831.35 and 1,594,319,611.30
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Solution
The fourth proportional to 2,628,291,220.90, 3,942,436,831.35 and 1,594,319,611.30 is: 2,391,479,416.95
Step by Step Solution
- Step 1: Write the proportion equation
2,628,291,220.90 : 3,942,436,831.35 = 1,594,319,611.30 : x - Step 2: Convert to fraction form
2,628,291,220.90/3,942,436,831.35 = 1,594,319,611.30/x - Step 3: Cross multiply
2,628,291,220.90x = 3,942,436,831.35 × 1,594,319,611.30 - Step 4: Simplify right side
2,628,291,220.90x = 6,285,504,356,532,734,976 - Step 5: Solve for x
x = 6,285,504,356,532,734,976/2,628,291,220.90 - Step 6: Final answer
x = 2,391,479,416.95
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1.5x scale
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.