Finding the Fourth Proportional to 5,214,466,046.70, 7,821,699,070.05 and 2,459,475,902.70
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Solution
The fourth proportional to 5,214,466,046.70, 7,821,699,070.05 and 2,459,475,902.70 is: 3,689,213,854.05
Step by Step Solution
- Step 1: Write the proportion equation
5,214,466,046.70 : 7,821,699,070.05 = 2,459,475,902.70 : x - Step 2: Convert to fraction form
5,214,466,046.70/7,821,699,070.05 = 2,459,475,902.70/x - Step 3: Cross multiply
5,214,466,046.70x = 7,821,699,070.05 × 2,459,475,902.70 - Step 4: Simplify right side
5,214,466,046.70x = 19,237,280,380,958,973,952 - Step 5: Solve for x
x = 19,237,280,380,958,973,952/5,214,466,046.70 - Step 6: Final answer
x = 3,689,213,854.05
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Double scale
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Similar ratio
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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.