Finding the Fourth Proportional to 1,674,183,999.30, 2,511,275,998.95 and 1,310,988,812.10
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Solution
The fourth proportional to 1,674,183,999.30, 2,511,275,998.95 and 1,310,988,812.10 is: 1,966,483,218.15
Step by Step Solution
- Step 1: Write the proportion equation
1,674,183,999.30 : 2,511,275,998.95 = 1,310,988,812.10 : x - Step 2: Convert to fraction form
1,674,183,999.30/2,511,275,998.95 = 1,310,988,812.10/x - Step 3: Cross multiply
1,674,183,999.30x = 2,511,275,998.95 × 1,310,988,812.10 - Step 4: Simplify right side
1,674,183,999.30x = 3,292,254,738,718,701,056 - Step 5: Solve for x
x = 3,292,254,738,718,701,056/1,674,183,999.30 - Step 6: Final answer
x = 1,966,483,218.15
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1.5x scale
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.