Finding the Fourth Proportional to 1,566,672,779,101.20, 2,351,082,619,812.80 and 546,790,313,022.15
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Solution
The fourth proportional to 1,566,672,779,101.20, 2,351,082,619,812.80 and 546,790,313,022.15 is: 820,560,118,728.75
Step by Step Solution
- Step 1: Write the proportion equation
1,566,672,779,101.20 : 2,351,082,619,812.80 = 546,790,313,022.15 : x - Step 2: Convert to fraction form
1,566,672,779,101.20/2,351,082,619,812.80 = 546,790,313,022.15/x - Step 3: Cross multiply
1,566,672,779,101.20x = 2,351,082,619,812.80 × 546,790,313,022.15 - Step 4: Simplify right side
1,566,672,779,101.20x = 1,285,549,201,628,377,296,928,768 - Step 5: Solve for x
x = 1,285,549,201,628,377,296,928,768/1,566,672,779,101.20 - Step 6: Final answer
x = 820,560,118,728.75
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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.