Finding the Fourth Proportional to 7,474,233,158.12, 10,309,581,720.99 and 4,793,767,649.81
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Solution
The fourth proportional to 7,474,233,158.12, 10,309,581,720.99 and 4,793,767,649.81 is: 6,612,282,262.49
Step by Step Solution
- Step 1: Write the proportion equation
7,474,233,158.12 : 10,309,581,720.99 = 4,793,767,649.81 : x - Step 2: Convert to fraction form
7,474,233,158.12/10,309,581,720.99 = 4,793,767,649.81/x - Step 3: Cross multiply
7,474,233,158.12x = 10,309,581,720.99 × 4,793,767,649.81 - Step 4: Simplify right side
7,474,233,158.12x = 49,421,739,337,102,819,328 - Step 5: Solve for x
x = 49,421,739,337,102,819,328/7,474,233,158.12 - Step 6: Final answer
x = 6,612,282,262.49
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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.