Finding the Fourth Proportional to 299,413,634.70, 448,637,562.45 and 169,635,305.10
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Solution
The fourth proportional to 299,413,634.70, 448,637,562.45 and 169,635,305.10 is: 254,179,372.50
Step by Step Solution
- Step 1: Write the proportion equation
299,413,634.70 : 448,637,562.45 = 169,635,305.10 : x - Step 2: Convert to fraction form
299,413,634.70/448,637,562.45 = 169,635,305.10/x - Step 3: Cross multiply
299,413,634.70x = 448,637,562.45 × 169,635,305.10 - Step 4: Simplify right side
299,413,634.70x = 76,104,769,785,526,048 - Step 5: Solve for x
x = 76,104,769,785,526,048/299,413,634.70 - Step 6: Final answer
x = 254,179,372.50
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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.