Finding the Fourth Proportional to 11,397,013,232.86, 15,727,879,752.74 and 6,316,705,161.63
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Solution
The fourth proportional to 11,397,013,232.86, 15,727,879,752.74 and 6,316,705,161.63 is: 8,717,053,949.64
Step by Step Solution
- Step 1: Write the proportion equation
11,397,013,232.86 : 15,727,879,752.74 = 6,316,705,161.63 : x - Step 2: Convert to fraction form
11,397,013,232.86/15,727,879,752.74 = 6,316,705,161.63/x - Step 3: Cross multiply
11,397,013,232.86x = 15,727,879,752.74 × 6,316,705,161.63 - Step 4: Simplify right side
11,397,013,232.86x = 99,348,379,215,628,730,368 - Step 5: Solve for x
x = 99,348,379,215,628,730,368/11,397,013,232.86 - Step 6: Final answer
x = 8,717,053,949.64
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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.