Finding the Fourth Proportional to 2,037,261,419.38, 3,055,888,315.04 and 638,352,784.31
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Solution
The fourth proportional to 2,037,261,419.38, 3,055,888,315.04 and 638,352,784.31 is: 957,527,981.37
Step by Step Solution
- Step 1: Write the proportion equation
2,037,261,419.38 : 3,055,888,315.04 = 638,352,784.31 : x - Step 2: Convert to fraction form
2,037,261,419.38/3,055,888,315.04 = 638,352,784.31/x - Step 3: Cross multiply
2,037,261,419.38x = 3,055,888,315.04 × 638,352,784.31 - Step 4: Simplify right side
2,037,261,419.38x = 1,950,734,814,427,706,880 - Step 5: Solve for x
x = 1,950,734,814,427,706,880/2,037,261,419.38 - Step 6: Final answer
x = 957,527,981.37
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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.