Finding the Fourth Proportional to 551,125,969.80, 826,688,954.70 and 223,758,313.80
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Solution
The fourth proportional to 551,125,969.80, 826,688,954.70 and 223,758,313.80 is: 335,637,470.70
Step by Step Solution
- Step 1: Write the proportion equation
551,125,969.80 : 826,688,954.70 = 223,758,313.80 : x - Step 2: Convert to fraction form
551,125,969.80/826,688,954.70 = 223,758,313.80/x - Step 3: Cross multiply
551,125,969.80x = 826,688,954.70 × 223,758,313.80 - Step 4: Simplify right side
551,125,969.80x = 184,978,526,540,756,608 - Step 5: Solve for x
x = 184,978,526,540,756,608/551,125,969.80 - Step 6: Final answer
x = 335,637,470.70
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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.