Finding the Fourth Proportional to 889,059,682.26, 1,226,902,361.40 and 497,919,106.26
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Solution
The fourth proportional to 889,059,682.26, 1,226,902,361.40 and 497,919,106.26 is: 687,128,366.57
Step by Step Solution
- Step 1: Write the proportion equation
889,059,682.26 : 1,226,902,361.40 = 497,919,106.26 : x - Step 2: Convert to fraction form
889,059,682.26/1,226,902,361.40 = 497,919,106.26/x - Step 3: Cross multiply
889,059,682.26x = 1,226,902,361.40 × 497,919,106.26 - Step 4: Simplify right side
889,059,682.26x = 610,898,127,256,571,520 - Step 5: Solve for x
x = 610,898,127,256,571,520/889,059,682.26 - Step 6: Final answer
x = 687,128,366.57
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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.