Finding the Fourth Proportional to 7,471,422,865.63, 11,207,155,574.18 and 2,159,967,412.87
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Solution
The fourth proportional to 7,471,422,865.63, 11,207,155,574.18 and 2,159,967,412.87 is: 3,239,957,270.06
Step by Step Solution
- Step 1: Write the proportion equation
7,471,422,865.63 : 11,207,155,574.18 = 2,159,967,412.87 : x - Step 2: Convert to fraction form
7,471,422,865.63/11,207,155,574.18 = 2,159,967,412.87/x - Step 3: Cross multiply
7,471,422,865.63x = 11,207,155,574.18 × 2,159,967,412.87 - Step 4: Simplify right side
7,471,422,865.63x = 24,207,090,831,193,174,016 - Step 5: Solve for x
x = 24,207,090,831,193,174,016/7,471,422,865.63 - Step 6: Final answer
x = 3,239,957,270.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.