Finding the Fourth Proportional to 346,121,006.40, 477,652,684.32 and 189,485,530.08
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Solution
The fourth proportional to 346,121,006.40, 477,652,684.32 and 189,485,530.08 is: 261,493,149.53
Step by Step Solution
- Step 1: Write the proportion equation
346,121,006.40 : 477,652,684.32 = 189,485,530.08 : x - Step 2: Convert to fraction form
346,121,006.40/477,652,684.32 = 189,485,530.08/x - Step 3: Cross multiply
346,121,006.40x = 477,652,684.32 × 189,485,530.08 - Step 4: Simplify right side
346,121,006.40x = 90,508,272,082,510,112 - Step 5: Solve for x
x = 90,508,272,082,510,112/346,121,006.40 - Step 6: Final answer
x = 261,493,149.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.