Finding the Fourth Proportional to 18,396,307,585.44, 27,594,681,096.34 and 5,130,758,758.70
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Solution
The fourth proportional to 18,396,307,585.44, 27,594,681,096.34 and 5,130,758,758.70 is: 7,696,199,417.79
Step by Step Solution
- Step 1: Write the proportion equation
18,396,307,585.44 : 27,594,681,096.34 = 5,130,758,758.70 : x - Step 2: Convert to fraction form
18,396,307,585.44/27,594,681,096.34 = 5,130,758,758.70/x - Step 3: Cross multiply
18,396,307,585.44x = 27,594,681,096.34 × 5,130,758,758.70 - Step 4: Simplify right side
18,396,307,585.44x = 141,581,651,728,579,772,416 - Step 5: Solve for x
x = 141,581,651,728,579,772,416/18,396,307,585.44 - Step 6: Final answer
x = 7,696,199,417.79
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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.