Finding the Fourth Proportional to 317,813,193.60, 476,719,790.40 and 283,549,027.20
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Solution
The fourth proportional to 317,813,193.60, 476,719,790.40 and 283,549,027.20 is: 425,323,540.80
Step by Step Solution
- Step 1: Write the proportion equation
317,813,193.60 : 476,719,790.40 = 283,549,027.20 : x - Step 2: Convert to fraction form
317,813,193.60/476,719,790.40 = 283,549,027.20/x - Step 3: Cross multiply
317,813,193.60x = 476,719,790.40 × 283,549,027.20 - Step 4: Simplify right side
317,813,193.60x = 135,173,432,814,907,888 - Step 5: Solve for x
x = 135,173,432,814,907,888/317,813,193.60 - Step 6: Final answer
x = 425,323,540.80
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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.