Finding the Fourth Proportional to 5,309,495,473.20, 7,973,313,136.20 and 3,477,370,340.40
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Solution
The fourth proportional to 5,309,495,473.20, 7,973,313,136.20 and 3,477,370,340.40 is: 5,221,995,715.88
Step by Step Solution
- Step 1: Write the proportion equation
5,309,495,473.20 : 7,973,313,136.20 = 3,477,370,340.40 : x - Step 2: Convert to fraction form
5,309,495,473.20/7,973,313,136.20 = 3,477,370,340.40/x - Step 3: Cross multiply
5,309,495,473.20x = 7,973,313,136.20 × 3,477,370,340.40 - Step 4: Simplify right side
5,309,495,473.20x = 27,726,162,614,543,585,280 - Step 5: Solve for x
x = 27,726,162,614,543,585,280/5,309,495,473.20 - Step 6: Final answer
x = 5,221,995,715.88
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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.