Finding the Fourth Proportional to 4,367,339,938.70, 6,551,009,908.06 and 1,419,613,858.70
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Solution
The fourth proportional to 4,367,339,938.70, 6,551,009,908.06 and 1,419,613,858.70 is: 2,129,420,788.05
Step by Step Solution
- Step 1: Write the proportion equation
4,367,339,938.70 : 6,551,009,908.06 = 1,419,613,858.70 : x - Step 2: Convert to fraction form
4,367,339,938.70/6,551,009,908.06 = 1,419,613,858.70/x - Step 3: Cross multiply
4,367,339,938.70x = 6,551,009,908.06 × 1,419,613,858.70 - Step 4: Simplify right side
4,367,339,938.70x = 9,299,904,453,962,989,568 - Step 5: Solve for x
x = 9,299,904,453,962,989,568/4,367,339,938.70 - Step 6: Final answer
x = 2,129,420,788.05
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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.