Finding the Fourth Proportional to 879,170,633.28, 1,213,257,861.36 and 482,719,301.46
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Solution
The fourth proportional to 879,170,633.28, 1,213,257,861.36 and 482,719,301.46 is: 666,153,946.86
Step by Step Solution
- Step 1: Write the proportion equation
879,170,633.28 : 1,213,257,861.36 = 482,719,301.46 : x - Step 2: Convert to fraction form
879,170,633.28/1,213,257,861.36 = 482,719,301.46/x - Step 3: Cross multiply
879,170,633.28x = 1,213,257,861.36 × 482,719,301.46 - Step 4: Simplify right side
879,170,633.28x = 585,662,987,326,552,704 - Step 5: Solve for x
x = 585,662,987,326,552,704/879,170,633.28 - Step 6: Final answer
x = 666,153,946.86
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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.