Finding the Fourth Proportional to 750,734,163.20, 1,126,101,244.80 and 505,208,421.20
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Solution
The fourth proportional to 750,734,163.20, 1,126,101,244.80 and 505,208,421.20 is: 757,812,631.80
Step by Step Solution
- Step 1: Write the proportion equation
750,734,163.20 : 1,126,101,244.80 = 505,208,421.20 : x - Step 2: Convert to fraction form
750,734,163.20/1,126,101,244.80 = 505,208,421.20/x - Step 3: Cross multiply
750,734,163.20x = 1,126,101,244.80 × 505,208,421.20 - Step 4: Simplify right side
750,734,163.20x = 568,915,831,996,762,688 - Step 5: Solve for x
x = 568,915,831,996,762,688/750,734,163.20 - Step 6: Final answer
x = 757,812,631.80
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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.