Finding the Fourth Proportional to 6,982,936,911.30, 10,474,405,366.95 and 6,225,314,621.70
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Solution
The fourth proportional to 6,982,936,911.30, 10,474,405,366.95 and 6,225,314,621.70 is: 9,337,971,932.55
Step by Step Solution
- Step 1: Write the proportion equation
6,982,936,911.30 : 10,474,405,366.95 = 6,225,314,621.70 : x - Step 2: Convert to fraction form
6,982,936,911.30/10,474,405,366.95 = 6,225,314,621.70/x - Step 3: Cross multiply
6,982,936,911.30x = 10,474,405,366.95 × 6,225,314,621.70 - Step 4: Simplify right side
6,982,936,911.30x = 65,206,468,884,486,791,168 - Step 5: Solve for x
x = 65,206,468,884,486,791,168/6,982,936,911.30 - Step 6: Final answer
x = 9,337,971,932.55
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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.