Finding the Fourth Proportional to 1,873,934,791.20, 2,586,030,256.80 and 1,038,613,290.48
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Solution
The fourth proportional to 1,873,934,791.20, 2,586,030,256.80 and 1,038,613,290.48 is: 1,433,286,476.62
Step by Step Solution
- Step 1: Write the proportion equation
1,873,934,791.20 : 2,586,030,256.80 = 1,038,613,290.48 : x - Step 2: Convert to fraction form
1,873,934,791.20/2,586,030,256.80 = 1,038,613,290.48/x - Step 3: Cross multiply
1,873,934,791.20x = 2,586,030,256.80 × 1,038,613,290.48 - Step 4: Simplify right side
1,873,934,791.20x = 2,685,885,394,295,887,872 - Step 5: Solve for x
x = 2,685,885,394,295,887,872/1,873,934,791.20 - Step 6: Final answer
x = 1,433,286,476.62
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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.