Finding the Fourth Proportional to 936,114,557.10, 1,291,216,062 and 602,009,485.56
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Solution
The fourth proportional to 936,114,557.10, 1,291,216,062 and 602,009,485.56 is: 830,373,068.48
Step by Step Solution
- Step 1: Write the proportion equation
936,114,557.10 : 1,291,216,062 = 602,009,485.56 : x - Step 2: Convert to fraction form
936,114,557.10/1,291,216,062 = 602,009,485.56/x - Step 3: Cross multiply
936,114,557.10x = 1,291,216,062 × 602,009,485.56 - Step 4: Simplify right side
936,114,557.10x = 777,324,317,231,428,992 - Step 5: Solve for x
x = 777,324,317,231,428,992/936,114,557.10 - Step 6: Final answer
x = 830,373,068.48
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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.