Finding the Fourth Proportional to 498,603,013.68, 751,307,847.36 and 409,717,734.96
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Solution
The fourth proportional to 498,603,013.68, 751,307,847.36 and 409,717,734.96 is: 617,373,222.85
Step by Step Solution
- Step 1: Write the proportion equation
498,603,013.68 : 751,307,847.36 = 409,717,734.96 : x - Step 2: Convert to fraction form
498,603,013.68/751,307,847.36 = 409,717,734.96/x - Step 3: Cross multiply
498,603,013.68x = 751,307,847.36 × 409,717,734.96 - Step 4: Simplify right side
498,603,013.68x = 307,824,149,478,012,608 - Step 5: Solve for x
x = 307,824,149,478,012,608/498,603,013.68 - Step 6: Final answer
x = 617,373,222.85
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.