Finding the Fourth Proportional to 1,747,619,351.40, 2,622,436,796.70 and 657,884,490.60
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Solution
The fourth proportional to 1,747,619,351.40, 2,622,436,796.70 and 657,884,490.60 is: 987,206,106.84
Step by Step Solution
- Step 1: Write the proportion equation
1,747,619,351.40 : 2,622,436,796.70 = 657,884,490.60 : x - Step 2: Convert to fraction form
1,747,619,351.40/2,622,436,796.70 = 657,884,490.60/x - Step 3: Cross multiply
1,747,619,351.40x = 2,622,436,796.70 × 657,884,490.60 - Step 4: Simplify right side
1,747,619,351.40x = 1,725,260,496,127,675,136 - Step 5: Solve for x
x = 1,725,260,496,127,675,136/1,747,619,351.40 - Step 6: Final answer
x = 987,206,106.84
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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.