Finding the Fourth Proportional to 1,791,758,462.64, 2,687,056,453.80 and 686,304,495.60
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Solution
The fourth proportional to 1,791,758,462.64, 2,687,056,453.80 and 686,304,495.60 is: 1,029,234,108.63
Step by Step Solution
- Step 1: Write the proportion equation
1,791,758,462.64 : 2,687,056,453.80 = 686,304,495.60 : x - Step 2: Convert to fraction form
1,791,758,462.64/2,687,056,453.80 = 686,304,495.60/x - Step 3: Cross multiply
1,791,758,462.64x = 2,687,056,453.80 × 686,304,495.60 - Step 4: Simplify right side
1,791,758,462.64x = 1,844,138,924,173,933,824 - Step 5: Solve for x
x = 1,844,138,924,173,933,824/1,791,758,462.64 - Step 6: Final answer
x = 1,029,234,108.63
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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.