Finding the Fourth Proportional to 5,388,825,905.70, 8,083,238,858.55 and 4,722,354,276.90
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Solution
The fourth proportional to 5,388,825,905.70, 8,083,238,858.55 and 4,722,354,276.90 is: 7,083,531,415.35
Step by Step Solution
- Step 1: Write the proportion equation
5,388,825,905.70 : 8,083,238,858.55 = 4,722,354,276.90 : x - Step 2: Convert to fraction form
5,388,825,905.70/8,083,238,858.55 = 4,722,354,276.90/x - Step 3: Cross multiply
5,388,825,905.70x = 8,083,238,858.55 × 4,722,354,276.90 - Step 4: Simplify right side
5,388,825,905.70x = 38,171,917,594,877,861,888 - Step 5: Solve for x
x = 38,171,917,594,877,861,888/5,388,825,905.70 - Step 6: Final answer
x = 7,083,531,415.35
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1.5x scale
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.