Finding the Fourth Proportional to 2,816,734,579.18, 4,225,216,771.42 and 718,265,409.59
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Solution
The fourth proportional to 2,816,734,579.18, 4,225,216,771.42 and 718,265,409.59 is: 1,077,427,414.49
Step by Step Solution
- Step 1: Write the proportion equation
2,816,734,579.18 : 4,225,216,771.42 = 718,265,409.59 : x - Step 2: Convert to fraction form
2,816,734,579.18/4,225,216,771.42 = 718,265,409.59/x - Step 3: Cross multiply
2,816,734,579.18x = 4,225,216,771.42 × 718,265,409.59 - Step 4: Simplify right side
2,816,734,579.18x = 3,034,827,054,939,291,136 - Step 5: Solve for x
x = 3,034,827,054,939,291,136/2,816,734,579.18 - Step 6: Final answer
x = 1,077,427,414.49
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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.