Finding the Fourth Proportional to 827,159,261.68, 1,141,476,331.80 and 455,880,406.96
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Solution
The fourth proportional to 827,159,261.68, 1,141,476,331.80 and 455,880,406.96 is: 629,113,060.55
Step by Step Solution
- Step 1: Write the proportion equation
827,159,261.68 : 1,141,476,331.80 = 455,880,406.96 : x - Step 2: Convert to fraction form
827,159,261.68/1,141,476,331.80 = 455,880,406.96/x - Step 3: Cross multiply
827,159,261.68x = 1,141,476,331.80 × 455,880,406.96 - Step 4: Simplify right side
827,159,261.68x = 520,376,694,676,191,936 - Step 5: Solve for x
x = 520,376,694,676,191,936/827,159,261.68 - Step 6: Final answer
x = 629,113,060.55
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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.