Finding the Fourth Proportional to 1,510,178,741,057.20, 2,084,047,497,244.70 and 815,719,294,765.68
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Solution
The fourth proportional to 1,510,178,741,057.20, 2,084,047,497,244.70 and 815,719,294,765.68 is: 1,125,693,077,576.07
Step by Step Solution
- Step 1: Write the proportion equation
1,510,178,741,057.20 : 2,084,047,497,244.70 = 815,719,294,765.68 : x - Step 2: Convert to fraction form
1,510,178,741,057.20/2,084,047,497,244.70 = 815,719,294,765.68/x - Step 3: Cross multiply
1,510,178,741,057.20x = 2,084,047,497,244.70 × 815,719,294,765.68 - Step 4: Simplify right side
1,510,178,741,057.20x = 1,699,997,754,710,627,153,084,416 - Step 5: Solve for x
x = 1,699,997,754,710,627,153,084,416/1,510,178,741,057.20 - Step 6: Final answer
x = 1,125,693,077,576.07
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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.