Finding the Fourth Proportional to 13,491,595,713,211, 18,618,402,084,228 and 7,717,480,745,155
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Solution
The fourth proportional to 13,491,595,713,211, 18,618,402,084,228 and 7,717,480,745,155 is: 10,650,123,428,312.08
Step by Step Solution
- Step 1: Write the proportion equation
13,491,595,713,211 : 18,618,402,084,228 = 7,717,480,745,155 : x - Step 2: Convert to fraction form
13,491,595,713,211/18,618,402,084,228 = 7,717,480,745,155/x - Step 3: Cross multiply
13,491,595,713,211x = 18,618,402,084,228 × 7,717,480,745,155 - Step 4: Simplify right side
13,491,595,713,211x = 143,687,159,590,583,316,303,052,800 - Step 5: Solve for x
x = 143,687,159,590,583,316,303,052,800/13,491,595,713,211 - Step 6: Final answer
x = 10,650,123,428,312.08
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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.