Finding the Fourth Proportional to 3,165,741,329.09, 4,748,652,405.44 and 836,658,188.44
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Solution
The fourth proportional to 3,165,741,329.09, 4,748,652,405.44 and 836,658,188.44 is: 1,254,997,962.89
Step by Step Solution
- Step 1: Write the proportion equation
3,165,741,329.09 : 4,748,652,405.44 = 836,658,188.44 : x - Step 2: Convert to fraction form
3,165,741,329.09/4,748,652,405.44 = 836,658,188.44/x - Step 3: Cross multiply
3,165,741,329.09x = 4,748,652,405.44 × 836,658,188.44 - Step 4: Simplify right side
3,165,741,329.09x = 3,972,998,919,053,803,008 - Step 5: Solve for x
x = 3,972,998,919,053,803,008/3,165,741,329.09 - Step 6: Final answer
x = 1,254,997,962.89
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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.