Finding the Fourth Proportional to 7,470,186,315.39, 11,207,244,832.55 and 2,684,572,597.18
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Solution
The fourth proportional to 7,470,186,315.39, 11,207,244,832.55 and 2,684,572,597.18 is: 4,027,565,190.09
Step by Step Solution
- Step 1: Write the proportion equation
7,470,186,315.39 : 11,207,244,832.55 = 2,684,572,597.18 : x - Step 2: Convert to fraction form
7,470,186,315.39/11,207,244,832.55 = 2,684,572,597.18/x - Step 3: Cross multiply
7,470,186,315.39x = 11,207,244,832.55 × 2,684,572,597.18 - Step 4: Simplify right side
7,470,186,315.39x = 30,086,662,367,334,285,312 - Step 5: Solve for x
x = 30,086,662,367,334,285,312/7,470,186,315.39 - Step 6: Final answer
x = 4,027,565,190.09
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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.