Finding the Fourth Proportional to 3,168,930,162.05, 4,753,943,135.79 and 1,070,421,851.84
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Solution
The fourth proportional to 3,168,930,162.05, 4,753,943,135.79 and 1,070,421,851.84 is: 1,605,817,848.53
Step by Step Solution
- Step 1: Write the proportion equation
3,168,930,162.05 : 4,753,943,135.79 = 1,070,421,851.84 : x - Step 2: Convert to fraction form
3,168,930,162.05/4,753,943,135.79 = 1,070,421,851.84/x - Step 3: Cross multiply
3,168,930,162.05x = 4,753,943,135.79 × 1,070,421,851.84 - Step 4: Simplify right side
3,168,930,162.05x = 5,088,724,614,954,388,480 - Step 5: Solve for x
x = 5,088,724,614,954,388,480/3,168,930,162.05 - Step 6: Final answer
x = 1,605,817,848.53
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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.