Finding the Fourth Proportional to 2,280,702,146.92, 3,147,368,989.64 and 1,237,660,610.92
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Solution
The fourth proportional to 2,280,702,146.92, 3,147,368,989.64 and 1,237,660,610.92 is: 1,707,971,657.66
Step by Step Solution
- Step 1: Write the proportion equation
2,280,702,146.92 : 3,147,368,989.64 = 1,237,660,610.92 : x - Step 2: Convert to fraction form
2,280,702,146.92/3,147,368,989.64 = 1,237,660,610.92/x - Step 3: Cross multiply
2,280,702,146.92x = 3,147,368,989.64 × 1,237,660,610.92 - Step 4: Simplify right side
2,280,702,146.92x = 3,895,374,626,508,505,600 - Step 5: Solve for x
x = 3,895,374,626,508,505,600/2,280,702,146.92 - Step 6: Final answer
x = 1,707,971,657.66
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Double scale
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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.