Finding the Fourth Proportional to 6,378,893,312.80, 9,568,339,969.20 and 5,991,153,959.20
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Solution
The fourth proportional to 6,378,893,312.80, 9,568,339,969.20 and 5,991,153,959.20 is: 8,986,730,938.80
Step by Step Solution
- Step 1: Write the proportion equation
6,378,893,312.80 : 9,568,339,969.20 = 5,991,153,959.20 : x - Step 2: Convert to fraction form
6,378,893,312.80/9,568,339,969.20 = 5,991,153,959.20/x - Step 3: Cross multiply
6,378,893,312.80x = 9,568,339,969.20 × 5,991,153,959.20 - Step 4: Simplify right side
6,378,893,312.80x = 57,325,397,889,444,192,256 - Step 5: Solve for x
x = 57,325,397,889,444,192,256/6,378,893,312.80 - Step 6: Final answer
x = 8,986,730,938.80
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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.