Finding the Fourth Proportional to 1,639,471,734.11, 2,459,205,673.86 and 534,074,782.16
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Solution
The fourth proportional to 1,639,471,734.11, 2,459,205,673.86 and 534,074,782.16 is: 801,111,545.40
Step by Step Solution
- Step 1: Write the proportion equation
1,639,471,734.11 : 2,459,205,673.86 = 534,074,782.16 : x - Step 2: Convert to fraction form
1,639,471,734.11/2,459,205,673.86 = 534,074,782.16/x - Step 3: Cross multiply
1,639,471,734.11x = 2,459,205,673.86 × 534,074,782.16 - Step 4: Simplify right side
1,639,471,734.11x = 1,313,399,734,553,415,680 - Step 5: Solve for x
x = 1,313,399,734,553,415,680/1,639,471,734.11 - Step 6: Final answer
x = 801,111,545.40
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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.