Finding the Fourth Proportional to 653,284,015.60, 978,792,282.60 and 551,247,343.60
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Solution
The fourth proportional to 653,284,015.60, 978,792,282.60 and 551,247,343.60 is: 825,914,353.99
Step by Step Solution
- Step 1: Write the proportion equation
653,284,015.60 : 978,792,282.60 = 551,247,343.60 : x - Step 2: Convert to fraction form
653,284,015.60/978,792,282.60 = 551,247,343.60/x - Step 3: Cross multiply
653,284,015.60x = 978,792,282.60 × 551,247,343.60 - Step 4: Simplify right side
653,284,015.60x = 539,556,645,719,430,528 - Step 5: Solve for x
x = 539,556,645,719,430,528/653,284,015.60 - Step 6: Final answer
x = 825,914,353.99
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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.