Finding the Fourth Proportional to 3,228,558,830.20, 4,842,838,245.30 and 2,953,059,815.80
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Solution
The fourth proportional to 3,228,558,830.20, 4,842,838,245.30 and 2,953,059,815.80 is: 4,429,589,723.70
Step by Step Solution
- Step 1: Write the proportion equation
3,228,558,830.20 : 4,842,838,245.30 = 2,953,059,815.80 : x - Step 2: Convert to fraction form
3,228,558,830.20/4,842,838,245.30 = 2,953,059,815.80/x - Step 3: Cross multiply
3,228,558,830.20x = 4,842,838,245.30 × 2,953,059,815.80 - Step 4: Simplify right side
3,228,558,830.20x = 14,301,191,016,614,813,696 - Step 5: Solve for x
x = 14,301,191,016,614,813,696/3,228,558,830.20 - Step 6: Final answer
x = 4,429,589,723.70
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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.