Finding the Fourth Proportional to 622,184,335.12, 933,149,817.92 and 228,575,878.72
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Solution
The fourth proportional to 622,184,335.12, 933,149,817.92 and 228,575,878.72 is: 342,817,277.08
Step by Step Solution
- Step 1: Write the proportion equation
622,184,335.12 : 933,149,817.92 = 228,575,878.72 : x - Step 2: Convert to fraction form
622,184,335.12/933,149,817.92 = 228,575,878.72/x - Step 3: Cross multiply
622,184,335.12x = 933,149,817.92 × 228,575,878.72 - Step 4: Simplify right side
622,184,335.12x = 213,295,539,608,472,000 - Step 5: Solve for x
x = 213,295,539,608,472,000/622,184,335.12 - Step 6: Final answer
x = 342,817,277.08
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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.