Finding the Fourth Proportional to 1,908,428,472,212.20, 2,862,623,843,543.20 and 874,338,157,695.68
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Solution
The fourth proportional to 1,908,428,472,212.20, 2,862,623,843,543.20 and 874,338,157,695.68 is: 1,311,498,593,729.32
Step by Step Solution
- Step 1: Write the proportion equation
1,908,428,472,212.20 : 2,862,623,843,543.20 = 874,338,157,695.68 : x - Step 2: Convert to fraction form
1,908,428,472,212.20/2,862,623,843,543.20 = 874,338,157,695.68/x - Step 3: Cross multiply
1,908,428,472,212.20x = 2,862,623,843,543.20 × 874,338,157,695.68 - Step 4: Simplify right side
1,908,428,472,212.20x = 2,502,901,257,539,288,475,631,616 - Step 5: Solve for x
x = 2,502,901,257,539,288,475,631,616/1,908,428,472,212.20 - Step 6: Final answer
x = 1,311,498,593,729.32
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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.