Finding the Fourth Proportional to 531,492,245.40, 797,238,368.10 and 477,922,992.60
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Solution
The fourth proportional to 531,492,245.40, 797,238,368.10 and 477,922,992.60 is: 716,884,488.90
Step by Step Solution
- Step 1: Write the proportion equation
531,492,245.40 : 797,238,368.10 = 477,922,992.60 : x - Step 2: Convert to fraction form
531,492,245.40/797,238,368.10 = 477,922,992.60/x - Step 3: Cross multiply
531,492,245.40x = 797,238,368.10 × 477,922,992.60 - Step 4: Simplify right side
531,492,245.40x = 381,018,546,697,892,416 - Step 5: Solve for x
x = 381,018,546,697,892,416/531,492,245.40 - Step 6: Final answer
x = 716,884,488.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.