Finding the Fourth Proportional to 4,861,468,681.63, 6,708,739,329.41 and 2,746,879,225.09
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Solution
The fourth proportional to 4,861,468,681.63, 6,708,739,329.41 and 2,746,879,225.09 is: 3,790,643,917.98
Step by Step Solution
- Step 1: Write the proportion equation
4,861,468,681.63 : 6,708,739,329.41 = 2,746,879,225.09 : x - Step 2: Convert to fraction form
4,861,468,681.63/6,708,739,329.41 = 2,746,879,225.09/x - Step 3: Cross multiply
4,861,468,681.63x = 6,708,739,329.41 × 2,746,879,225.09 - Step 4: Simplify right side
4,861,468,681.63x = 18,428,096,690,470,041,600 - Step 5: Solve for x
x = 18,428,096,690,470,041,600/4,861,468,681.63 - Step 6: Final answer
x = 3,790,643,917.98
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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.