Finding the Fourth Proportional to 1,764,291,409.80, 2,646,437,114.70 and 1,274,515,384.20
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Solution
The fourth proportional to 1,764,291,409.80, 2,646,437,114.70 and 1,274,515,384.20 is: 1,911,773,076.30
Step by Step Solution
- Step 1: Write the proportion equation
1,764,291,409.80 : 2,646,437,114.70 = 1,274,515,384.20 : x - Step 2: Convert to fraction form
1,764,291,409.80/2,646,437,114.70 = 1,274,515,384.20/x - Step 3: Cross multiply
1,764,291,409.80x = 2,646,437,114.70 × 1,274,515,384.20 - Step 4: Simplify right side
1,764,291,409.80x = 3,372,924,816,003,010,048 - Step 5: Solve for x
x = 3,372,924,816,003,010,048/1,764,291,409.80 - Step 6: Final answer
x = 1,911,773,076.30
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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.