Finding the Fourth Proportional to 1,077,858,343.80, 1,616,787,515.70 and 733,484,575.80
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Solution
The fourth proportional to 1,077,858,343.80, 1,616,787,515.70 and 733,484,575.80 is: 1,100,226,863.70
Step by Step Solution
- Step 1: Write the proportion equation
1,077,858,343.80 : 1,616,787,515.70 = 733,484,575.80 : x - Step 2: Convert to fraction form
1,077,858,343.80/1,616,787,515.70 = 733,484,575.80/x - Step 3: Cross multiply
1,077,858,343.80x = 1,616,787,515.70 × 733,484,575.80 - Step 4: Simplify right side
1,077,858,343.80x = 1,185,888,705,111,950,336 - Step 5: Solve for x
x = 1,185,888,705,111,950,336/1,077,858,343.80 - Step 6: Final answer
x = 1,100,226,863.70
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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.