Finding the Fourth Proportional to 4,291,720,378.20, 6,437,887,022.95 and 1,143,918,500.73
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Solution
The fourth proportional to 4,291,720,378.20, 6,437,887,022.95 and 1,143,918,500.73 is: 1,715,959,434.02
Step by Step Solution
- Step 1: Write the proportion equation
4,291,720,378.20 : 6,437,887,022.95 = 1,143,918,500.73 : x - Step 2: Convert to fraction form
4,291,720,378.20/6,437,887,022.95 = 1,143,918,500.73/x - Step 3: Cross multiply
4,291,720,378.20x = 6,437,887,022.95 × 1,143,918,500.73 - Step 4: Simplify right side
4,291,720,378.20x = 7,364,418,071,141,284,864 - Step 5: Solve for x
x = 7,364,418,071,141,284,864/4,291,720,378.20 - Step 6: Final answer
x = 1,715,959,434.02
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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.