Finding the Fourth Proportional to 1,347,299,464.68, 1,859,276,142.72 and 760,588,600.68
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Solution
The fourth proportional to 1,347,299,464.68, 1,859,276,142.72 and 760,588,600.68 is: 1,049,613,895.60
Step by Step Solution
- Step 1: Write the proportion equation
1,347,299,464.68 : 1,859,276,142.72 = 760,588,600.68 : x - Step 2: Convert to fraction form
1,347,299,464.68/1,859,276,142.72 = 760,588,600.68/x - Step 3: Cross multiply
1,347,299,464.68x = 1,859,276,142.72 × 760,588,600.68 - Step 4: Simplify right side
1,347,299,464.68x = 1,414,144,239,669,112,576 - Step 5: Solve for x
x = 1,414,144,239,669,112,576/1,347,299,464.68 - Step 6: Final answer
x = 1,049,613,895.60
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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.