Finding the Fourth Proportional to 1,049,790,750.78, 1,448,755,220.16 and 603,754,416.54
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Solution
The fourth proportional to 1,049,790,750.78, 1,448,755,220.16 and 603,754,416.54 is: 833,206,390.90
Step by Step Solution
- Step 1: Write the proportion equation
1,049,790,750.78 : 1,448,755,220.16 = 603,754,416.54 : x - Step 2: Convert to fraction form
1,049,790,750.78/1,448,755,220.16 = 603,754,416.54/x - Step 3: Cross multiply
1,049,790,750.78x = 1,448,755,220.16 × 603,754,416.54 - Step 4: Simplify right side
1,049,790,750.78x = 874,692,362,656,980,096 - Step 5: Solve for x
x = 874,692,362,656,980,096/1,049,790,750.78 - Step 6: Final answer
x = 833,206,390.90
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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.