Finding the Fourth Proportional to 371,291,866.29, 512,386,853.90 and 204,028,170.80
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Solution
The fourth proportional to 371,291,866.29, 512,386,853.90 and 204,028,170.80 is: 281,561,116.82
Step by Step Solution
- Step 1: Write the proportion equation
371,291,866.29 : 512,386,853.90 = 204,028,170.80 : x - Step 2: Convert to fraction form
371,291,866.29/512,386,853.90 = 204,028,170.80/x - Step 3: Cross multiply
371,291,866.29x = 512,386,853.90 × 204,028,170.80 - Step 4: Simplify right side
371,291,866.29x = 104,541,352,539,601,760 - Step 5: Solve for x
x = 104,541,352,539,601,760/371,291,866.29 - Step 6: Final answer
x = 281,561,116.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.