Finding the Fourth Proportional to 3,723,346,838.20, 5,585,020,257.30 and 3,668,927,279.80
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Solution
The fourth proportional to 3,723,346,838.20, 5,585,020,257.30 and 3,668,927,279.80 is: 5,503,390,919.70
Step by Step Solution
- Step 1: Write the proportion equation
3,723,346,838.20 : 5,585,020,257.30 = 3,668,927,279.80 : x - Step 2: Convert to fraction form
3,723,346,838.20/5,585,020,257.30 = 3,668,927,279.80/x - Step 3: Cross multiply
3,723,346,838.20x = 5,585,020,257.30 × 3,668,927,279.80 - Step 4: Simplify right side
3,723,346,838.20x = 20,491,033,180,243,587,072 - Step 5: Solve for x
x = 20,491,033,180,243,587,072/3,723,346,838.20 - Step 6: Final answer
x = 5,503,390,919.70
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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.