Finding the Fourth Proportional to 927,148,032,157.75, 1,390,722,048,236.70 and 927,148,032,157.75
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Solution
The fourth proportional to 927,148,032,157.75, 1,390,722,048,236.70 and 927,148,032,157.75 is: 1,390,722,048,236.70
Step by Step Solution
- Step 1: Write the proportion equation
927,148,032,157.75 : 1,390,722,048,236.70 = 927,148,032,157.75 : x - Step 2: Convert to fraction form
927,148,032,157.75/1,390,722,048,236.70 = 927,148,032,157.75/x - Step 3: Cross multiply
927,148,032,157.75x = 1,390,722,048,236.70 × 927,148,032,157.75 - Step 4: Simplify right side
927,148,032,157.75x = 1,289,405,210,301,051,711,782,912 - Step 5: Solve for x
x = 1,289,405,210,301,051,711,782,912/927,148,032,157.75 - Step 6: Final answer
x = 1,390,722,048,236.70
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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.