Finding the Fourth Proportional to 4,041,620,328.20, 6,062,430,492.30 and 3,987,200,769.80
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Solution
The fourth proportional to 4,041,620,328.20, 6,062,430,492.30 and 3,987,200,769.80 is: 5,980,801,154.70
Step by Step Solution
- Step 1: Write the proportion equation
4,041,620,328.20 : 6,062,430,492.30 = 3,987,200,769.80 : x - Step 2: Convert to fraction form
4,041,620,328.20/6,062,430,492.30 = 3,987,200,769.80/x - Step 3: Cross multiply
4,041,620,328.20x = 6,062,430,492.30 × 3,987,200,769.80 - Step 4: Simplify right side
4,041,620,328.20x = 24,172,127,525,757,554,688 - Step 5: Solve for x
x = 24,172,127,525,757,554,688/4,041,620,328.20 - Step 6: Final answer
x = 5,980,801,154.70
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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.