Finding the Fourth Proportional to 713,055,163.80, 1,069,582,745.70 and 622,355,899.80
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Solution
The fourth proportional to 713,055,163.80, 1,069,582,745.70 and 622,355,899.80 is: 933,533,849.70
Step by Step Solution
- Step 1: Write the proportion equation
713,055,163.80 : 1,069,582,745.70 = 622,355,899.80 : x - Step 2: Convert to fraction form
713,055,163.80/1,069,582,745.70 = 622,355,899.80/x - Step 3: Cross multiply
713,055,163.80x = 1,069,582,745.70 × 622,355,899.80 - Step 4: Simplify right side
713,055,163.80x = 665,661,132,110,678,016 - Step 5: Solve for x
x = 665,661,132,110,678,016/713,055,163.80 - Step 6: Final answer
x = 933,533,849.70
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Double scale
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Similar ratio
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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.