Finding the Fourth Proportional to 493,135,955.18, 680,525,919.84 and 284,291,102.06
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Solution
The fourth proportional to 493,135,955.18, 680,525,919.84 and 284,291,102.06 is: 392,320,741.77
Step by Step Solution
- Step 1: Write the proportion equation
493,135,955.18 : 680,525,919.84 = 284,291,102.06 : x - Step 2: Convert to fraction form
493,135,955.18/680,525,919.84 = 284,291,102.06/x - Step 3: Cross multiply
493,135,955.18x = 680,525,919.84 × 284,291,102.06 - Step 4: Simplify right side
493,135,955.18x = 193,467,463,731,708,832 - Step 5: Solve for x
x = 193,467,463,731,708,832/493,135,955.18 - Step 6: Final answer
x = 392,320,741.77
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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.