Finding the Fourth Proportional to 1,701,770,361.92, 2,348,443,106.88 and 919,489,209.92
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Solution
The fourth proportional to 1,701,770,361.92, 2,348,443,106.88 and 919,489,209.92 is: 1,268,895,113.70
Step by Step Solution
- Step 1: Write the proportion equation
1,701,770,361.92 : 2,348,443,106.88 = 919,489,209.92 : x - Step 2: Convert to fraction form
1,701,770,361.92/2,348,443,106.88 = 919,489,209.92/x - Step 3: Cross multiply
1,701,770,361.92x = 2,348,443,106.88 × 919,489,209.92 - Step 4: Simplify right side
1,701,770,361.92x = 2,159,368,096,887,161,344 - Step 5: Solve for x
x = 2,159,368,096,887,161,344/1,701,770,361.92 - Step 6: Final answer
x = 1,268,895,113.70
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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.