Finding the Fourth Proportional to 847,401,495.19, 1,271,106,302.42 and 257,196,861.79
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Solution
The fourth proportional to 847,401,495.19, 1,271,106,302.42 and 257,196,861.79 is: 385,796,524.83
Step by Step Solution
- Step 1: Write the proportion equation
847,401,495.19 : 1,271,106,302.42 = 257,196,861.79 : x - Step 2: Convert to fraction form
847,401,495.19/1,271,106,302.42 = 257,196,861.79/x - Step 3: Cross multiply
847,401,495.19x = 1,271,106,302.42 × 257,196,861.79 - Step 4: Simplify right side
847,401,495.19x = 326,924,551,981,379,904 - Step 5: Solve for x
x = 326,924,551,981,379,904/847,401,495.19 - Step 6: Final answer
x = 385,796,524.83
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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.