Finding the Fourth Proportional to 838,784,689.98, 1,258,176,998.52 and 796,842,163.50
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Solution
The fourth proportional to 838,784,689.98, 1,258,176,998.52 and 796,842,163.50 is: 1,195,263,210.62
Step by Step Solution
- Step 1: Write the proportion equation
838,784,689.98 : 1,258,176,998.52 = 796,842,163.50 : x - Step 2: Convert to fraction form
838,784,689.98/1,258,176,998.52 = 796,842,163.50/x - Step 3: Cross multiply
838,784,689.98x = 1,258,176,998.52 × 796,842,163.50 - Step 4: Simplify right side
838,784,689.98x = 1,002,568,481,566,613,120 - Step 5: Solve for x
x = 1,002,568,481,566,613,120/838,784,689.98 - Step 6: Final answer
x = 1,195,263,210.62
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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.