Finding the Fourth Proportional to 982,902,009.98, 1,474,358,526.60 and 327,851,237.93
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Solution
The fourth proportional to 982,902,009.98, 1,474,358,526.60 and 327,851,237.93 is: 491,778,695.32
Step by Step Solution
- Step 1: Write the proportion equation
982,902,009.98 : 1,474,358,526.60 = 327,851,237.93 : x - Step 2: Convert to fraction form
982,902,009.98/1,474,358,526.60 = 327,851,237.93/x - Step 3: Cross multiply
982,902,009.98x = 1,474,358,526.60 × 327,851,237.93 - Step 4: Simplify right side
982,902,009.98x = 483,370,268,100,012,672 - Step 5: Solve for x
x = 483,370,268,100,012,672/982,902,009.98 - Step 6: Final answer
x = 491,778,695.32
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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.