Finding the Fourth Proportional to 1,305,813,729,000.60, 1,802,028,388,968.40 and 719,850,701,916.79
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Solution
The fourth proportional to 1,305,813,729,000.60, 1,802,028,388,968.40 and 719,850,701,916.79 is: 993,396,969,157.07
Step by Step Solution
- Step 1: Write the proportion equation
1,305,813,729,000.60 : 1,802,028,388,968.40 = 719,850,701,916.79 : x - Step 2: Convert to fraction form
1,305,813,729,000.60/1,802,028,388,968.40 = 719,850,701,916.79/x - Step 3: Cross multiply
1,305,813,729,000.60x = 1,802,028,388,968.40 × 719,850,701,916.79 - Step 4: Simplify right side
1,305,813,729,000.60x = 1,297,191,400,672,884,969,963,520 - Step 5: Solve for x
x = 1,297,191,400,672,884,969,963,520/1,305,813,729,000.60 - Step 6: Final answer
x = 993,396,969,157.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.