Finding the Fourth Proportional to 1,386,794,722.35, 2,080,162,939.42 and 337,538,780.02
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Solution
The fourth proportional to 1,386,794,722.35, 2,080,162,939.42 and 337,538,780.02 is: 506,301,076.50
Step by Step Solution
- Step 1: Write the proportion equation
1,386,794,722.35 : 2,080,162,939.42 = 337,538,780.02 : x - Step 2: Convert to fraction form
1,386,794,722.35/2,080,162,939.42 = 337,538,780.02/x - Step 3: Cross multiply
1,386,794,722.35x = 2,080,162,939.42 × 337,538,780.02 - Step 4: Simplify right side
1,386,794,722.35x = 702,135,660,814,643,968 - Step 5: Solve for x
x = 702,135,660,814,643,968/1,386,794,722.35 - Step 6: Final answer
x = 506,301,076.50
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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.