Finding the Fourth Proportional to 2,686,691,305.76, 3,707,470,903.68 and 1,480,979,711.84
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Solution
The fourth proportional to 2,686,691,305.76, 3,707,470,903.68 and 1,480,979,711.84 is: 2,043,662,097.99
Step by Step Solution
- Step 1: Write the proportion equation
2,686,691,305.76 : 3,707,470,903.68 = 1,480,979,711.84 : x - Step 2: Convert to fraction form
2,686,691,305.76/3,707,470,903.68 = 1,480,979,711.84/x - Step 3: Cross multiply
2,686,691,305.76x = 3,707,470,903.68 × 1,480,979,711.84 - Step 4: Simplify right side
2,686,691,305.76x = 5,490,689,190,587,190,272 - Step 5: Solve for x
x = 5,490,689,190,587,190,272/2,686,691,305.76 - Step 6: Final answer
x = 2,043,662,097.99
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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.