Finding the Fourth Proportional to 878,414,535.74, 1,317,575,397.76 and 288,127,020.62
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Solution
The fourth proportional to 878,414,535.74, 1,317,575,397.76 and 288,127,020.62 is: 432,175,309.44
Step by Step Solution
- Step 1: Write the proportion equation
878,414,535.74 : 1,317,575,397.76 = 288,127,020.62 : x - Step 2: Convert to fraction form
878,414,535.74/1,317,575,397.76 = 288,127,020.62/x - Step 3: Cross multiply
878,414,535.74x = 1,317,575,397.76 × 288,127,020.62 - Step 4: Simplify right side
878,414,535.74x = 379,629,073,798,800,256 - Step 5: Solve for x
x = 379,629,073,798,800,256/878,414,535.74 - Step 6: Final answer
x = 432,175,309.44
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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.