Finding the Fourth Proportional to 2,516,089,760.59, 3,472,214,357.29 and 1,387,034,720.18
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Solution
The fourth proportional to 2,516,089,760.59, 3,472,214,357.29 and 1,387,034,720.18 is: 1,914,113,695.34
Step by Step Solution
- Step 1: Write the proportion equation
2,516,089,760.59 : 3,472,214,357.29 = 1,387,034,720.18 : x - Step 2: Convert to fraction form
2,516,089,760.59/3,472,214,357.29 = 1,387,034,720.18/x - Step 3: Cross multiply
2,516,089,760.59x = 3,472,214,357.29 × 1,387,034,720.18 - Step 4: Simplify right side
2,516,089,760.59x = 4,816,081,869,452,396,544 - Step 5: Solve for x
x = 4,816,081,869,452,396,544/2,516,089,760.59 - Step 6: Final answer
x = 1,914,113,695.34
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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.