Finding the Fourth Proportional to 3,060,722,958.90, 4,591,084,438.35 and 990,653,975.70
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Solution
The fourth proportional to 3,060,722,958.90, 4,591,084,438.35 and 990,653,975.70 is: 1,485,980,963.55
Step by Step Solution
- Step 1: Write the proportion equation
3,060,722,958.90 : 4,591,084,438.35 = 990,653,975.70 : x - Step 2: Convert to fraction form
3,060,722,958.90/4,591,084,438.35 = 990,653,975.70/x - Step 3: Cross multiply
3,060,722,958.90x = 4,591,084,438.35 × 990,653,975.70 - Step 4: Simplify right side
3,060,722,958.90x = 4,548,176,051,625,829,888 - Step 5: Solve for x
x = 4,548,176,051,625,829,888/3,060,722,958.90 - Step 6: Final answer
x = 1,485,980,963.55
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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.