Finding the Fourth Proportional to 713,055,171.80, 1,069,582,757.70 and 622,355,907.80
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Solution
The fourth proportional to 713,055,171.80, 1,069,582,757.70 and 622,355,907.80 is: 933,533,861.70
Step by Step Solution
- Step 1: Write the proportion equation
713,055,171.80 : 1,069,582,757.70 = 622,355,907.80 : x - Step 2: Convert to fraction form
713,055,171.80/1,069,582,757.70 = 622,355,907.80/x - Step 3: Cross multiply
713,055,171.80x = 1,069,582,757.70 × 622,355,907.80 - Step 4: Simplify right side
713,055,171.80x = 665,661,148,135,610,880 - Step 5: Solve for x
x = 665,661,148,135,610,880/713,055,171.80 - Step 6: Final answer
x = 933,533,861.70
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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.