Finding the Fourth Proportional to 39,349,727,291,238, 54,304,330,624,716 and 21,791,049,049,095
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Solution
The fourth proportional to 39,349,727,291,238, 54,304,330,624,716 and 21,791,049,049,095 is: 30,072,592,967,752.39
Step by Step Solution
- Step 1: Write the proportion equation
39,349,727,291,238 : 54,304,330,624,716 = 21,791,049,049,095 : x - Step 2: Convert to fraction form
39,349,727,291,238/54,304,330,624,716 = 21,791,049,049,095/x - Step 3: Cross multiply
39,349,727,291,238x = 54,304,330,624,716 × 21,791,049,049,095 - Step 4: Simplify right side
39,349,727,291,238x = 1,183,348,332,221,458,054,142,492,672 - Step 5: Solve for x
x = 1,183,348,332,221,458,054,142,492,672/39,349,727,291,238 - Step 6: Final answer
x = 30,072,592,967,752.39
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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.