Finding the Fourth Proportional to 276,481,203.80, 414,721,805.70 and 204,817,587.80
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Solution
The fourth proportional to 276,481,203.80, 414,721,805.70 and 204,817,587.80 is: 307,226,381.70
Step by Step Solution
- Step 1: Write the proportion equation
276,481,203.80 : 414,721,805.70 = 204,817,587.80 : x - Step 2: Convert to fraction form
276,481,203.80/414,721,805.70 = 204,817,587.80/x - Step 3: Cross multiply
276,481,203.80x = 414,721,805.70 × 204,817,587.80 - Step 4: Simplify right side
276,481,203.80x = 84,942,319,851,534,288 - Step 5: Solve for x
x = 84,942,319,851,534,288/276,481,203.80 - Step 6: Final answer
x = 307,226,381.70
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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.