Finding the Fourth Proportional to 18,396,307,579.63, 27,594,681,087.62 and 5,130,758,752.90
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Solution
The fourth proportional to 18,396,307,579.63, 27,594,681,087.62 and 5,130,758,752.90 is: 7,696,199,409.09
Step by Step Solution
- Step 1: Write the proportion equation
18,396,307,579.63 : 27,594,681,087.62 = 5,130,758,752.90 : x - Step 2: Convert to fraction form
18,396,307,579.63/27,594,681,087.62 = 5,130,758,752.90/x - Step 3: Cross multiply
18,396,307,579.63x = 27,594,681,087.62 × 5,130,758,752.90 - Step 4: Simplify right side
18,396,307,579.63x = 141,581,651,523,790,389,248 - Step 5: Solve for x
x = 141,581,651,523,790,389,248/18,396,307,579.63 - Step 6: Final answer
x = 7,696,199,409.09
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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.