Finding the Fourth Proportional to 275,006,617,923.48, 379,509,150,981.36 and 153,068,735,504.70
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Solution
The fourth proportional to 275,006,617,923.48, 379,509,150,981.36 and 153,068,735,504.70 is: 211,234,865,152.75
Step by Step Solution
- Step 1: Write the proportion equation
275,006,617,923.48 : 379,509,150,981.36 = 153,068,735,504.70 : x - Step 2: Convert to fraction form
275,006,617,923.48/379,509,150,981.36 = 153,068,735,504.70/x - Step 3: Cross multiply
275,006,617,923.48x = 379,509,150,981.36 × 153,068,735,504.70 - Step 4: Simplify right side
275,006,617,923.48x = 58,090,985,853,179,052,163,072 - Step 5: Solve for x
x = 58,090,985,853,179,052,163,072/275,006,617,923.48 - Step 6: Final answer
x = 211,234,865,152.75
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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.