Finding the Fourth Proportional to 3,621,672,283.20, 5,432,508,424.80 and 1,036,743,259.20
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Solution
The fourth proportional to 3,621,672,283.20, 5,432,508,424.80 and 1,036,743,259.20 is: 1,555,114,888.80
Step by Step Solution
- Step 1: Write the proportion equation
3,621,672,283.20 : 5,432,508,424.80 = 1,036,743,259.20 : x - Step 2: Convert to fraction form
3,621,672,283.20/5,432,508,424.80 = 1,036,743,259.20/x - Step 3: Cross multiply
3,621,672,283.20x = 5,432,508,424.80 × 1,036,743,259.20 - Step 4: Simplify right side
3,621,672,283.20x = 5,632,116,489,958,610,944 - Step 5: Solve for x
x = 5,632,116,489,958,610,944/3,621,672,283.20 - Step 6: Final answer
x = 1,555,114,888.80
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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.