Finding the Fourth Proportional to 12,249,014,742.70, 18,373,522,114.05 and 12,249,014,742.70
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Solution
The fourth proportional to 12,249,014,742.70, 18,373,522,114.05 and 12,249,014,742.70 is: 18,373,522,114.05
Step by Step Solution
- Step 1: Write the proportion equation
12,249,014,742.70 : 18,373,522,114.05 = 12,249,014,742.70 : x - Step 2: Convert to fraction form
12,249,014,742.70/18,373,522,114.05 = 12,249,014,742.70/x - Step 3: Cross multiply
12,249,014,742.70x = 18,373,522,114.05 × 12,249,014,742.70 - Step 4: Simplify right side
12,249,014,742.70x = 225,057,543,250,322,915,328 - Step 5: Solve for x
x = 225,057,543,250,322,915,328/12,249,014,742.70 - Step 6: Final answer
x = 18,373,522,114.05
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Double scale
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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.