Finding the Fourth Proportional to 3,621,672,483.20, 5,432,508,724.80 and 1,036,743,459.20
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Solution
The fourth proportional to 3,621,672,483.20, 5,432,508,724.80 and 1,036,743,459.20 is: 1,555,115,188.80
Step by Step Solution
- Step 1: Write the proportion equation
3,621,672,483.20 : 5,432,508,724.80 = 1,036,743,459.20 : x - Step 2: Convert to fraction form
3,621,672,483.20/5,432,508,724.80 = 1,036,743,459.20/x - Step 3: Cross multiply
3,621,672,483.20x = 5,432,508,724.80 × 1,036,743,459.20 - Step 4: Simplify right side
3,621,672,483.20x = 5,632,117,887,483,333,632 - Step 5: Solve for x
x = 5,632,117,887,483,333,632/3,621,672,483.20 - Step 6: Final answer
x = 1,555,115,188.80
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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.