Finding the Fourth Proportional to 1,887,067,319.99, 2,604,160,767.33 and 1,040,276,039.67
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Solution
The fourth proportional to 1,887,067,319.99, 2,604,160,767.33 and 1,040,276,039.67 is: 1,435,585,270.87
Step by Step Solution
- Step 1: Write the proportion equation
1,887,067,319.99 : 2,604,160,767.33 = 1,040,276,039.67 : x - Step 2: Convert to fraction form
1,887,067,319.99/2,604,160,767.33 = 1,040,276,039.67/x - Step 3: Cross multiply
1,887,067,319.99x = 2,604,160,767.33 × 1,040,276,039.67 - Step 4: Simplify right side
1,887,067,319.99x = 2,709,046,049,702,040,576 - Step 5: Solve for x
x = 2,709,046,049,702,040,576/1,887,067,319.99 - Step 6: Final answer
x = 1,435,585,270.87
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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.