Finding the Fourth Proportional to 3,165,741,301.21, 4,748,652,363.63 and 836,658,160.57
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Solution
The fourth proportional to 3,165,741,301.21, 4,748,652,363.63 and 836,658,160.57 is: 1,254,997,921.09
Step by Step Solution
- Step 1: Write the proportion equation
3,165,741,301.21 : 4,748,652,363.63 = 836,658,160.57 : x - Step 2: Convert to fraction form
3,165,741,301.21/4,748,652,363.63 = 836,658,160.57/x - Step 3: Cross multiply
3,165,741,301.21x = 4,748,652,363.63 × 836,658,160.57 - Step 4: Simplify right side
3,165,741,301.21x = 3,972,998,751,741,059,072 - Step 5: Solve for x
x = 3,972,998,751,741,059,072/3,165,741,301.21 - Step 6: Final answer
x = 1,254,997,921.09
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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.