Finding the Fourth Proportional to 822,649,508.82, 1,135,277,212.59 and 451,371,441.78
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Solution
The fourth proportional to 822,649,508.82, 1,135,277,212.59 and 451,371,441.78 is: 622,904,051.81
Step by Step Solution
- Step 1: Write the proportion equation
822,649,508.82 : 1,135,277,212.59 = 451,371,441.78 : x - Step 2: Convert to fraction form
822,649,508.82/1,135,277,212.59 = 451,371,441.78/x - Step 3: Cross multiply
822,649,508.82x = 1,135,277,212.59 × 451,371,441.78 - Step 4: Simplify right side
822,649,508.82x = 512,431,712,266,727,808 - Step 5: Solve for x
x = 512,431,712,266,727,808/822,649,508.82 - Step 6: Final answer
x = 622,904,051.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.