Finding the Fourth Proportional to 300,965,412.06, 415,299,060.36 and 168,779,206.38
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Solution
The fourth proportional to 300,965,412.06, 415,299,060.36 and 168,779,206.38 is: 232,896,681.84
Step by Step Solution
- Step 1: Write the proportion equation
300,965,412.06 : 415,299,060.36 = 168,779,206.38 : x - Step 2: Convert to fraction form
300,965,412.06/415,299,060.36 = 168,779,206.38/x - Step 3: Cross multiply
300,965,412.06x = 415,299,060.36 × 168,779,206.38 - Step 4: Simplify right side
300,965,412.06x = 70,093,845,817,920,520 - Step 5: Solve for x
x = 70,093,845,817,920,520/300,965,412.06 - Step 6: Final answer
x = 232,896,681.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.