Finding the Fourth Proportional to 1,147,915,000,208.70, 1,584,170,826,293.80 and 660,174,318,777.70
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Solution
The fourth proportional to 1,147,915,000,208.70, 1,584,170,826,293.80 and 660,174,318,777.70 is: 911,068,237,531.42
Step by Step Solution
- Step 1: Write the proportion equation
1,147,915,000,208.70 : 1,584,170,826,293.80 = 660,174,318,777.70 : x - Step 2: Convert to fraction form
1,147,915,000,208.70/1,584,170,826,293.80 = 660,174,318,777.70/x - Step 3: Cross multiply
1,147,915,000,208.70x = 1,584,170,826,293.80 × 660,174,318,777.70 - Step 4: Simplify right side
1,147,915,000,208.70x = 1,045,828,896,076,015,530,409,984 - Step 5: Solve for x
x = 1,045,828,896,076,015,530,409,984/1,147,915,000,208.70 - Step 6: Final answer
x = 911,068,237,531.42
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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.