Finding the Fourth Proportional to 2,097,771,087.07, 2,894,992,618.21 and 1,145,202,616.39
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Solution
The fourth proportional to 2,097,771,087.07, 2,894,992,618.21 and 1,145,202,616.39 is: 1,580,417,015.58
Step by Step Solution
- Step 1: Write the proportion equation
2,097,771,087.07 : 2,894,992,618.21 = 1,145,202,616.39 : x - Step 2: Convert to fraction form
2,097,771,087.07/2,894,992,618.21 = 1,145,202,616.39/x - Step 3: Cross multiply
2,097,771,087.07x = 2,894,992,618.21 × 1,145,202,616.39 - Step 4: Simplify right side
2,097,771,087.07x = 3,315,353,120,798,102,528 - Step 5: Solve for x
x = 3,315,353,120,798,102,528/2,097,771,087.07 - Step 6: Final answer
x = 1,580,417,015.58
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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.