Finding the Fourth Proportional to 4,136,945,425.80, 6,205,418,138.70 and 2,589,011,320.20
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Solution
The fourth proportional to 4,136,945,425.80, 6,205,418,138.70 and 2,589,011,320.20 is: 3,883,516,980.30
Step by Step Solution
- Step 1: Write the proportion equation
4,136,945,425.80 : 6,205,418,138.70 = 2,589,011,320.20 : x - Step 2: Convert to fraction form
4,136,945,425.80/6,205,418,138.70 = 2,589,011,320.20/x - Step 3: Cross multiply
4,136,945,425.80x = 6,205,418,138.70 × 2,589,011,320.20 - Step 4: Simplify right side
4,136,945,425.80x = 16,065,897,807,668,711,424 - Step 5: Solve for x
x = 16,065,897,807,668,711,424/4,136,945,425.80 - Step 6: Final answer
x = 3,883,516,980.30
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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.