Finding the Fourth Proportional to 7,341,857,065.98, 10,131,764,208.21 and 4,000,355,347.14
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Solution
The fourth proportional to 7,341,857,065.98, 10,131,764,208.21 and 4,000,355,347.14 is: 5,520,491,173.01
Step by Step Solution
- Step 1: Write the proportion equation
7,341,857,065.98 : 10,131,764,208.21 = 4,000,355,347.14 : x - Step 2: Convert to fraction form
7,341,857,065.98/10,131,764,208.21 = 4,000,355,347.14/x - Step 3: Cross multiply
7,341,857,065.98x = 10,131,764,208.21 × 4,000,355,347.14 - Step 4: Simplify right side
7,341,857,065.98x = 40,530,657,126,274,539,520 - Step 5: Solve for x
x = 40,530,657,126,274,539,520/7,341,857,065.98 - Step 6: Final answer
x = 5,520,491,173.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.