Finding the Fourth Proportional to 953,184,349.08, 1,315,500,912 and 577,048,190.40
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Solution
The fourth proportional to 953,184,349.08, 1,315,500,912 and 577,048,190.40 is: 796,390,982.99
Step by Step Solution
- Step 1: Write the proportion equation
953,184,349.08 : 1,315,500,912 = 577,048,190.40 : x - Step 2: Convert to fraction form
953,184,349.08/1,315,500,912 = 577,048,190.40/x - Step 3: Cross multiply
953,184,349.08x = 1,315,500,912 × 577,048,190.40 - Step 4: Simplify right side
953,184,349.08x = 759,107,420,739,149,568 - Step 5: Solve for x
x = 759,107,420,739,149,568/953,184,349.08 - Step 6: Final answer
x = 796,390,982.99
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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.