Finding the Fourth Proportional to 5,568,320,508.56, 7,684,484,341.68 and 3,189,918,117.68
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Solution
The fourth proportional to 5,568,320,508.56, 7,684,484,341.68 and 3,189,918,117.68 is: 4,402,202,744.77
Step by Step Solution
- Step 1: Write the proportion equation
5,568,320,508.56 : 7,684,484,341.68 = 3,189,918,117.68 : x - Step 2: Convert to fraction form
5,568,320,508.56/7,684,484,341.68 = 3,189,918,117.68/x - Step 3: Cross multiply
5,568,320,508.56x = 7,684,484,341.68 × 3,189,918,117.68 - Step 4: Simplify right side
5,568,320,508.56x = 24,512,875,826,553,298,944 - Step 5: Solve for x
x = 24,512,875,826,553,298,944/5,568,320,508.56 - Step 6: Final answer
x = 4,402,202,744.77
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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.