Finding the Fourth Proportional to 1,310,703,914.16, 1,966,042,419.12 and 757,654,440.08
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Solution
The fourth proportional to 1,310,703,914.16, 1,966,042,419.12 and 757,654,440.08 is: 1,136,473,884.09
Step by Step Solution
- Step 1: Write the proportion equation
1,310,703,914.16 : 1,966,042,419.12 = 757,654,440.08 : x - Step 2: Convert to fraction form
1,310,703,914.16/1,966,042,419.12 = 757,654,440.08/x - Step 3: Cross multiply
1,310,703,914.16x = 1,966,042,419.12 × 757,654,440.08 - Step 4: Simplify right side
1,310,703,914.16x = 1,489,580,768,222,062,080 - Step 5: Solve for x
x = 1,489,580,768,222,062,080/1,310,703,914.16 - Step 6: Final answer
x = 1,136,473,884.09
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1.5x scale
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.