Finding the Fourth Proportional to 2,235,854,720.92, 3,085,439,483.96 and 1,218,589,309.08
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Solution
The fourth proportional to 2,235,854,720.92, 3,085,439,483.96 and 1,218,589,309.08 is: 1,681,631,428.82
Step by Step Solution
- Step 1: Write the proportion equation
2,235,854,720.92 : 3,085,439,483.96 = 1,218,589,309.08 : x - Step 2: Convert to fraction form
2,235,854,720.92/3,085,439,483.96 = 1,218,589,309.08/x - Step 3: Cross multiply
2,235,854,720.92x = 3,085,439,483.96 × 1,218,589,309.08 - Step 4: Simplify right side
2,235,854,720.92x = 3,759,883,568,966,967,808 - Step 5: Solve for x
x = 3,759,883,568,966,967,808/2,235,854,720.92 - Step 6: Final answer
x = 1,681,631,428.82
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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.