Finding the Fourth Proportional to 919,380,712.24, 1,268,772,300.49 and 501,719,918.14
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Solution
The fourth proportional to 919,380,712.24, 1,268,772,300.49 and 501,719,918.14 is: 692,388,176.37
Step by Step Solution
- Step 1: Write the proportion equation
919,380,712.24 : 1,268,772,300.49 = 501,719,918.14 : x - Step 2: Convert to fraction form
919,380,712.24/1,268,772,300.49 = 501,719,918.14/x - Step 3: Cross multiply
919,380,712.24x = 1,268,772,300.49 × 501,719,918.14 - Step 4: Simplify right side
919,380,712.24x = 636,568,334,734,461,696 - Step 5: Solve for x
x = 636,568,334,734,461,696/919,380,712.24 - Step 6: Final answer
x = 692,388,176.37
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1.5x scale
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.