Finding the Fourth Proportional to 5,018,747,552.70, 7,528,121,329.05 and 2,949,460,640.70
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Solution
The fourth proportional to 5,018,747,552.70, 7,528,121,329.05 and 2,949,460,640.70 is: 4,424,190,961.05
Step by Step Solution
- Step 1: Write the proportion equation
5,018,747,552.70 : 7,528,121,329.05 = 2,949,460,640.70 : x - Step 2: Convert to fraction form
5,018,747,552.70/7,528,121,329.05 = 2,949,460,640.70/x - Step 3: Cross multiply
5,018,747,552.70x = 7,528,121,329.05 × 2,949,460,640.70 - Step 4: Simplify right side
5,018,747,552.70x = 22,203,897,558,447,149,056 - Step 5: Solve for x
x = 22,203,897,558,447,149,056/5,018,747,552.70 - Step 6: Final answer
x = 4,424,190,961.05
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1.5x scale
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.