Finding the Fourth Proportional to 7,186,752,842.80, 10,780,129,264.20 and 4,393,215,511.60
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Solution
The fourth proportional to 7,186,752,842.80, 10,780,129,264.20 and 4,393,215,511.60 is: 6,589,823,267.40
Step by Step Solution
- Step 1: Write the proportion equation
7,186,752,842.80 : 10,780,129,264.20 = 4,393,215,511.60 : x - Step 2: Convert to fraction form
7,186,752,842.80/10,780,129,264.20 = 4,393,215,511.60/x - Step 3: Cross multiply
7,186,752,842.80x = 10,780,129,264.20 × 4,393,215,511.60 - Step 4: Simplify right side
7,186,752,842.80x = 47,359,431,100,536,545,280 - Step 5: Solve for x
x = 47,359,431,100,536,545,280/7,186,752,842.80 - Step 6: Final answer
x = 6,589,823,267.40
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1.5x scale
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.