Finding the Fourth Proportional to 484,112,407.59, 668,023,611.67 and 272,415,549.09
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Solution
The fourth proportional to 484,112,407.59, 668,023,611.67 and 272,415,549.09 is: 375,904,472.03
Step by Step Solution
- Step 1: Write the proportion equation
484,112,407.59 : 668,023,611.67 = 272,415,549.09 : x - Step 2: Convert to fraction form
484,112,407.59/668,023,611.67 = 272,415,549.09/x - Step 3: Cross multiply
484,112,407.59x = 668,023,611.67 × 272,415,549.09 - Step 4: Simplify right side
484,112,407.59x = 181,980,018,976,525,856 - Step 5: Solve for x
x = 181,980,018,976,525,856/484,112,407.59 - Step 6: Final answer
x = 375,904,472.03
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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.