Finding the Fourth Proportional to 1,079,052,375.96, 1,489,128,386.96 and 661,283,983.08
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Solution
The fourth proportional to 1,079,052,375.96, 1,489,128,386.96 and 661,283,983.08 is: 912,594,025.08
Step by Step Solution
- Step 1: Write the proportion equation
1,079,052,375.96 : 1,489,128,386.96 = 661,283,983.08 : x - Step 2: Convert to fraction form
1,079,052,375.96/1,489,128,386.96 = 661,283,983.08/x - Step 3: Cross multiply
1,079,052,375.96x = 1,489,128,386.96 × 661,283,983.08 - Step 4: Simplify right side
1,079,052,375.96x = 984,736,751,046,404,480 - Step 5: Solve for x
x = 984,736,751,046,404,480/1,079,052,375.96 - Step 6: Final answer
x = 912,594,025.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.