Finding the Fourth Proportional to 299,610,308.10, 449,415,462.12 and 84,199,556.10
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Solution
The fourth proportional to 299,610,308.10, 449,415,462.12 and 84,199,556.10 is: 126,299,334.14
Step by Step Solution
- Step 1: Write the proportion equation
299,610,308.10 : 449,415,462.12 = 84,199,556.10 : x - Step 2: Convert to fraction form
299,610,308.10/449,415,462.12 = 84,199,556.10/x - Step 3: Cross multiply
299,610,308.10x = 449,415,462.12 × 84,199,556.10 - Step 4: Simplify right side
299,610,308.10x = 37,840,582,414,980,360 - Step 5: Solve for x
x = 37,840,582,414,980,360/299,610,308.10 - Step 6: Final answer
x = 126,299,334.14
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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.