Finding the Fourth Proportional to 1,720,624,310,979.30, 2,579,664,092,715 and 1,040,551,475,276.80
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Solution
The fourth proportional to 1,720,624,310,979.30, 2,579,664,092,715 and 1,040,551,475,276.80 is: 1,560,057,741,986.35
Step by Step Solution
- Step 1: Write the proportion equation
1,720,624,310,979.30 : 2,579,664,092,715 = 1,040,551,475,276.80 : x - Step 2: Convert to fraction form
1,720,624,310,979.30/2,579,664,092,715 = 1,040,551,475,276.80/x - Step 3: Cross multiply
1,720,624,310,979.30x = 2,579,664,092,715 × 1,040,551,475,276.80 - Step 4: Simplify right side
1,720,624,310,979.30x = 2,684,273,277,393,181,138,223,104 - Step 5: Solve for x
x = 2,684,273,277,393,181,138,223,104/1,720,624,310,979.30 - Step 6: Final answer
x = 1,560,057,741,986.35
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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.