Finding the Fourth Proportional to 4,126,468,986.60, 6,189,703,479.90 and 2,657,140,909.80
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Solution
The fourth proportional to 4,126,468,986.60, 6,189,703,479.90 and 2,657,140,909.80 is: 3,985,711,364.70
Step by Step Solution
- Step 1: Write the proportion equation
4,126,468,986.60 : 6,189,703,479.90 = 2,657,140,909.80 : x - Step 2: Convert to fraction form
4,126,468,986.60/6,189,703,479.90 = 2,657,140,909.80/x - Step 3: Cross multiply
4,126,468,986.60x = 6,189,703,479.90 × 2,657,140,909.80 - Step 4: Simplify right side
4,126,468,986.60x = 16,446,914,335,973,711,872 - Step 5: Solve for x
x = 16,446,914,335,973,711,872/4,126,468,986.60 - Step 6: Final answer
x = 3,985,711,364.70
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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.