Finding the Fourth Proportional to 988,446,273.34, 1,364,076,696.18 and 542,405,735.02
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Solution
The fourth proportional to 988,446,273.34, 1,364,076,696.18 and 542,405,735.02 is: 748,531,349.63
Step by Step Solution
- Step 1: Write the proportion equation
988,446,273.34 : 1,364,076,696.18 = 542,405,735.02 : x - Step 2: Convert to fraction form
988,446,273.34/1,364,076,696.18 = 542,405,735.02/x - Step 3: Cross multiply
988,446,273.34x = 1,364,076,696.18 × 542,405,735.02 - Step 4: Simplify right side
988,446,273.34x = 739,883,023,015,166,080 - Step 5: Solve for x
x = 739,883,023,015,166,080/988,446,273.34 - Step 6: Final answer
x = 748,531,349.63
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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.