Finding the Fourth Proportional to 299,610,308.63, 449,415,462.95 and 84,199,556.63
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Solution
The fourth proportional to 299,610,308.63, 449,415,462.95 and 84,199,556.63 is: 126,299,334.94
Step by Step Solution
- Step 1: Write the proportion equation
299,610,308.63 : 449,415,462.95 = 84,199,556.63 : x - Step 2: Convert to fraction form
299,610,308.63/449,415,462.95 = 84,199,556.63/x - Step 3: Cross multiply
299,610,308.63x = 449,415,462.95 × 84,199,556.63 - Step 4: Simplify right side
299,610,308.63x = 37,840,582,720,388,120 - Step 5: Solve for x
x = 37,840,582,720,388,120/299,610,308.63 - Step 6: Final answer
x = 126,299,334.94
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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.