Finding the Fourth Proportional to 7,683,740,531,567.70, 11,525,186,554,892 and 5,618,263,163,730.90
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Solution
The fourth proportional to 7,683,740,531,567.70, 11,525,186,554,892 and 5,618,263,163,730.90 is: 8,427,084,544,363.87
Step by Step Solution
- Step 1: Write the proportion equation
7,683,740,531,567.70 : 11,525,186,554,892 = 5,618,263,163,730.90 : x - Step 2: Convert to fraction form
7,683,740,531,567.70/11,525,186,554,892 = 5,618,263,163,730.90/x - Step 3: Cross multiply
7,683,740,531,567.70x = 11,525,186,554,892 × 5,618,263,163,730.90 - Step 4: Simplify right side
7,683,740,531,567.70x = 64,751,531,076,476,365,715,800,064 - Step 5: Solve for x
x = 64,751,531,076,476,365,715,800,064/7,683,740,531,567.70 - Step 6: Final answer
x = 8,427,084,544,363.87
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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.