Finding the Fourth Proportional to 7,105,260,247.92, 9,804,870,684.30 and 3,889,548,154.68
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Solution
The fourth proportional to 7,105,260,247.92, 9,804,870,684.30 and 3,889,548,154.68 is: 5,367,363,804.61
Step by Step Solution
- Step 1: Write the proportion equation
7,105,260,247.92 : 9,804,870,684.30 = 3,889,548,154.68 : x - Step 2: Convert to fraction form
7,105,260,247.92/9,804,870,684.30 = 3,889,548,154.68/x - Step 3: Cross multiply
7,105,260,247.92x = 9,804,870,684.30 × 3,889,548,154.68 - Step 4: Simplify right side
7,105,260,247.92x = 38,136,516,676,995,088,384 - Step 5: Solve for x
x = 38,136,516,676,995,088,384/7,105,260,247.92 - Step 6: Final answer
x = 5,367,363,804.61
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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.