Finding the Fourth Proportional to 1,512,308,342.40, 2,268,462,513.60 and 363,450,998.40
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Solution
The fourth proportional to 1,512,308,342.40, 2,268,462,513.60 and 363,450,998.40 is: 545,176,497.60
Step by Step Solution
- Step 1: Write the proportion equation
1,512,308,342.40 : 2,268,462,513.60 = 363,450,998.40 : x - Step 2: Convert to fraction form
1,512,308,342.40/2,268,462,513.60 = 363,450,998.40/x - Step 3: Cross multiply
1,512,308,342.40x = 2,268,462,513.60 × 363,450,998.40 - Step 4: Simplify right side
1,512,308,342.40x = 824,474,965,400,893,440 - Step 5: Solve for x
x = 824,474,965,400,893,440/1,512,308,342.40 - Step 6: Final answer
x = 545,176,497.60
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Double scale
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Similar ratio
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1.5x scale
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.