Finding the Fourth Proportional to 331,361,912, 497,114,616.18 and 126,889,994.54
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Solution
The fourth proportional to 331,361,912, 497,114,616.18 and 126,889,994.54 is: 190,362,466.68
Step by Step Solution
- Step 1: Write the proportion equation
331,361,912 : 497,114,616.18 = 126,889,994.54 : x - Step 2: Convert to fraction form
331,361,912/497,114,616.18 = 126,889,994.54/x - Step 3: Cross multiply
331,361,912x = 497,114,616.18 × 126,889,994.54 - Step 4: Simplify right side
331,361,912x = 63,078,870,932,834,400 - Step 5: Solve for x
x = 63,078,870,932,834,400/331,361,912 - Step 6: Final answer
x = 190,362,466.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.