Finding the Fourth Proportional to 493,937,794.13, 681,635,130.26 and 270,921,291.03
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Solution
The fourth proportional to 493,937,794.13, 681,635,130.26 and 270,921,291.03 is: 373,871,916.05
Step by Step Solution
- Step 1: Write the proportion equation
493,937,794.13 : 681,635,130.26 = 270,921,291.03 : x - Step 2: Convert to fraction form
493,937,794.13/681,635,130.26 = 270,921,291.03/x - Step 3: Cross multiply
493,937,794.13x = 681,635,130.26 × 270,921,291.03 - Step 4: Simplify right side
493,937,794.13x = 184,669,469,500,086,784 - Step 5: Solve for x
x = 184,669,469,500,086,784/493,937,794.13 - Step 6: Final answer
x = 373,871,916.05
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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.