Finding the Fourth Proportional to 1,548,171,922.70, 2,136,408,334.45 and 904,487,518.97
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Solution
The fourth proportional to 1,548,171,922.70, 2,136,408,334.45 and 904,487,518.97 is: 1,248,152,511.74
Step by Step Solution
- Step 1: Write the proportion equation
1,548,171,922.70 : 2,136,408,334.45 = 904,487,518.97 : x - Step 2: Convert to fraction form
1,548,171,922.70/2,136,408,334.45 = 904,487,518.97/x - Step 3: Cross multiply
1,548,171,922.70x = 2,136,408,334.45 × 904,487,518.97 - Step 4: Simplify right side
1,548,171,922.70x = 1,932,354,673,928,578,816 - Step 5: Solve for x
x = 1,932,354,673,928,578,816/1,548,171,922.70 - Step 6: Final answer
x = 1,248,152,511.74
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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.