Finding the Fourth Proportional to 5,402,019,190.62, 8,112,301,853.13 and 3,315,746,407.26
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Solution
The fourth proportional to 5,402,019,190.62, 8,112,301,853.13 and 3,315,746,407.26 is: 4,979,311,397.27
Step by Step Solution
- Step 1: Write the proportion equation
5,402,019,190.62 : 8,112,301,853.13 = 3,315,746,407.26 : x - Step 2: Convert to fraction form
5,402,019,190.62/8,112,301,853.13 = 3,315,746,407.26/x - Step 3: Cross multiply
5,402,019,190.62x = 8,112,301,853.13 × 3,315,746,407.26 - Step 4: Simplify right side
5,402,019,190.62x = 26,898,335,724,124,438,528 - Step 5: Solve for x
x = 26,898,335,724,124,438,528/5,402,019,190.62 - Step 6: Final answer
x = 4,979,311,397.27
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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.