Finding the Fourth Proportional to 544,353,506.55, 816,530,259.83 and 135,409,657.05
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Solution
The fourth proportional to 544,353,506.55, 816,530,259.83 and 135,409,657.05 is: 203,114,485.58
Step by Step Solution
- Step 1: Write the proportion equation
544,353,506.55 : 816,530,259.83 = 135,409,657.05 : x - Step 2: Convert to fraction form
544,353,506.55/816,530,259.83 = 135,409,657.05/x - Step 3: Cross multiply
544,353,506.55x = 816,530,259.83 × 135,409,657.05 - Step 4: Simplify right side
544,353,506.55x = 110,566,082,453,850,656 - Step 5: Solve for x
x = 110,566,082,453,850,656/544,353,506.55 - Step 6: Final answer
x = 203,114,485.58
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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.