Finding the Fourth Proportional to 286,471,971.62, 429,269,372.47 and 192,751,805.28
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Solution
The fourth proportional to 286,471,971.62, 429,269,372.47 and 192,751,805.28 is: 288,832,607.35
Step by Step Solution
- Step 1: Write the proportion equation
286,471,971.62 : 429,269,372.47 = 192,751,805.28 : x - Step 2: Convert to fraction form
286,471,971.62/429,269,372.47 = 192,751,805.28/x - Step 3: Cross multiply
286,471,971.62x = 429,269,372.47 × 192,751,805.28 - Step 4: Simplify right side
286,471,971.62x = 82,742,446,494,020,512 - Step 5: Solve for x
x = 82,742,446,494,020,512/286,471,971.62 - Step 6: Final answer
x = 288,832,607.35
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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.