Finding the Fourth Proportional to 1,163,250,837.52, 1,605,291,362.68 and 634,613,221.68
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Solution
The fourth proportional to 1,163,250,837.52, 1,605,291,362.68 and 634,613,221.68 is: 875,769,086.55
Step by Step Solution
- Step 1: Write the proportion equation
1,163,250,837.52 : 1,605,291,362.68 = 634,613,221.68 : x - Step 2: Convert to fraction form
1,163,250,837.52/1,605,291,362.68 = 634,613,221.68/x - Step 3: Cross multiply
1,163,250,837.52x = 1,605,291,362.68 × 634,613,221.68 - Step 4: Simplify right side
1,163,250,837.52x = 1,018,739,123,405,432,064 - Step 5: Solve for x
x = 1,018,739,123,405,432,064/1,163,250,837.52 - Step 6: Final answer
x = 875,769,086.55
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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.