Finding the Fourth Proportional to 832,723,575,431.20, 1,148,735,608,919.60 and 543,860,921,730.45
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Solution
The fourth proportional to 832,723,575,431.20, 1,148,735,608,919.60 and 543,860,921,730.45 is: 750,251,854,906.47
Step by Step Solution
- Step 1: Write the proportion equation
832,723,575,431.20 : 1,148,735,608,919.60 = 543,860,921,730.45 : x - Step 2: Convert to fraction form
832,723,575,431.20/1,148,735,608,919.60 = 543,860,921,730.45/x - Step 3: Cross multiply
832,723,575,431.20x = 1,148,735,608,919.60 × 543,860,921,730.45 - Step 4: Simplify right side
832,723,575,431.20x = 624,752,407,091,603,409,207,296 - Step 5: Solve for x
x = 624,752,407,091,603,409,207,296/832,723,575,431.20 - Step 6: Final answer
x = 750,251,854,906.47
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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.