Finding the Fourth Proportional to 1,099,694,512.35, 1,649,541,768.53 and 372,683,224.35
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Solution
The fourth proportional to 1,099,694,512.35, 1,649,541,768.53 and 372,683,224.35 is: 559,024,836.53
Step by Step Solution
- Step 1: Write the proportion equation
1,099,694,512.35 : 1,649,541,768.53 = 372,683,224.35 : x - Step 2: Convert to fraction form
1,099,694,512.35/1,649,541,768.53 = 372,683,224.35/x - Step 3: Cross multiply
1,099,694,512.35x = 1,649,541,768.53 × 372,683,224.35 - Step 4: Simplify right side
1,099,694,512.35x = 614,756,544,995,761,792 - Step 5: Solve for x
x = 614,756,544,995,761,792/1,099,694,512.35 - Step 6: Final answer
x = 559,024,836.53
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Double scale
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Similar ratio
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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.