Finding the Fourth Proportional to 299,203,326.40, 448,804,989.60 and 202,205,502.40
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Solution
The fourth proportional to 299,203,326.40, 448,804,989.60 and 202,205,502.40 is: 303,308,253.60
Step by Step Solution
- Step 1: Write the proportion equation
299,203,326.40 : 448,804,989.60 = 202,205,502.40 : x - Step 2: Convert to fraction form
299,203,326.40/448,804,989.60 = 202,205,502.40/x - Step 3: Cross multiply
299,203,326.40x = 448,804,989.60 × 202,205,502.40 - Step 4: Simplify right side
299,203,326.40x = 90,750,838,401,694,784 - Step 5: Solve for x
x = 90,750,838,401,694,784/299,203,326.40 - Step 6: Final answer
x = 303,308,253.60
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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.