Finding the Fourth Proportional to 5,568,320,511.56, 7,684,484,345.82 and 3,189,918,120.68
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Solution
The fourth proportional to 5,568,320,511.56, 7,684,484,345.82 and 3,189,918,120.68 is: 4,402,202,748.91
Step by Step Solution
- Step 1: Write the proportion equation
5,568,320,511.56 : 7,684,484,345.82 = 3,189,918,120.68 : x - Step 2: Convert to fraction form
5,568,320,511.56/7,684,484,345.82 = 3,189,918,120.68/x - Step 3: Cross multiply
5,568,320,511.56x = 7,684,484,345.82 × 3,189,918,120.68 - Step 4: Simplify right side
5,568,320,511.56x = 24,512,875,862,813,011,968 - Step 5: Solve for x
x = 24,512,875,862,813,011,968/5,568,320,511.56 - Step 6: Final answer
x = 4,402,202,748.91
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1.5x scale
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.