Finding the Fourth Proportional to 1,207,228,053.40, 1,810,842,080.10 and 793,979,531.80
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Solution
The fourth proportional to 1,207,228,053.40, 1,810,842,080.10 and 793,979,531.80 is: 1,190,969,297.70
Step by Step Solution
- Step 1: Write the proportion equation
1,207,228,053.40 : 1,810,842,080.10 = 793,979,531.80 : x - Step 2: Convert to fraction form
1,207,228,053.40/1,810,842,080.10 = 793,979,531.80/x - Step 3: Cross multiply
1,207,228,053.40x = 1,810,842,080.10 × 793,979,531.80 - Step 4: Simplify right side
1,207,228,053.40x = 1,437,771,546,921,536,000 - Step 5: Solve for x
x = 1,437,771,546,921,536,000/1,207,228,053.40 - Step 6: Final answer
x = 1,190,969,297.70
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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.