Finding the Fourth Proportional to 4,262,879,605.68, 5,884,585,213.16 and 2,656,128,449.94
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Solution
The fourth proportional to 4,262,879,605.68, 5,884,585,213.16 and 2,656,128,449.94 is: 3,666,585,887.14
Step by Step Solution
- Step 1: Write the proportion equation
4,262,879,605.68 : 5,884,585,213.16 = 2,656,128,449.94 : x - Step 2: Convert to fraction form
4,262,879,605.68/5,884,585,213.16 = 2,656,128,449.94/x - Step 3: Cross multiply
4,262,879,605.68x = 5,884,585,213.16 × 2,656,128,449.94 - Step 4: Simplify right side
4,262,879,605.68x = 15,630,214,200,770,514,944 - Step 5: Solve for x
x = 15,630,214,200,770,514,944/4,262,879,605.68 - Step 6: Final answer
x = 3,666,585,887.14
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1.5x scale
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.