Finding the Fourth Proportional to 4,655,647,964.68, 6,433,198,336.47 and 3,315,210,907.19
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Solution
The fourth proportional to 4,655,647,964.68, 6,433,198,336.47 and 3,315,210,907.19 is: 4,580,975,506.52
Step by Step Solution
- Step 1: Write the proportion equation
4,655,647,964.68 : 6,433,198,336.47 = 3,315,210,907.19 : x - Step 2: Convert to fraction form
4,655,647,964.68/6,433,198,336.47 = 3,315,210,907.19/x - Step 3: Cross multiply
4,655,647,964.68x = 6,433,198,336.47 × 3,315,210,907.19 - Step 4: Simplify right side
4,655,647,964.68x = 21,327,409,293,162,336,256 - Step 5: Solve for x
x = 21,327,409,293,162,336,256/4,655,647,964.68 - Step 6: Final answer
x = 4,580,975,506.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.