Finding the Fourth Proportional to 270,317,277.80, 405,475,916.70 and 155,526,021.80
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Solution
The fourth proportional to 270,317,277.80, 405,475,916.70 and 155,526,021.80 is: 233,289,032.70
Step by Step Solution
- Step 1: Write the proportion equation
270,317,277.80 : 405,475,916.70 = 155,526,021.80 : x - Step 2: Convert to fraction form
270,317,277.80/405,475,916.70 = 155,526,021.80/x - Step 3: Cross multiply
270,317,277.80x = 405,475,916.70 × 155,526,021.80 - Step 4: Simplify right side
270,317,277.80x = 63,062,056,260,059,184 - Step 5: Solve for x
x = 63,062,056,260,059,184/270,317,277.80 - Step 6: Final answer
x = 233,289,032.70
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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.