Finding the Fourth Proportional to 1,759,079,301.60, 2,638,917,550.80 and 532,238,008.80
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Solution
The fourth proportional to 1,759,079,301.60, 2,638,917,550.80 and 532,238,008.80 is: 798,447,358.99
Step by Step Solution
- Step 1: Write the proportion equation
1,759,079,301.60 : 2,638,917,550.80 = 532,238,008.80 : x - Step 2: Convert to fraction form
1,759,079,301.60/2,638,917,550.80 = 532,238,008.80/x - Step 3: Cross multiply
1,759,079,301.60x = 2,638,917,550.80 × 532,238,008.80 - Step 4: Simplify right side
1,759,079,301.60x = 1,404,532,222,625,165,056 - Step 5: Solve for x
x = 1,404,532,222,625,165,056/1,759,079,301.60 - Step 6: Final answer
x = 798,447,358.99
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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.