Finding the Fourth Proportional to 3,947,593,022.70, 5,921,389,534.05 and 3,327,720,240.30
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Solution
The fourth proportional to 3,947,593,022.70, 5,921,389,534.05 and 3,327,720,240.30 is: 4,991,580,360.45
Step by Step Solution
- Step 1: Write the proportion equation
3,947,593,022.70 : 5,921,389,534.05 = 3,327,720,240.30 : x - Step 2: Convert to fraction form
3,947,593,022.70/5,921,389,534.05 = 3,327,720,240.30/x - Step 3: Cross multiply
3,947,593,022.70x = 5,921,389,534.05 × 3,327,720,240.30 - Step 4: Simplify right side
3,947,593,022.70x = 19,704,727,803,158,773,760 - Step 5: Solve for x
x = 19,704,727,803,158,773,760/3,947,593,022.70 - Step 6: Final answer
x = 4,991,580,360.45
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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.