Finding the Fourth Proportional to 374,357,020.80, 560,739,268.80 and 310,656,028.80
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Solution
The fourth proportional to 374,357,020.80, 560,739,268.80 and 310,656,028.80 is: 465,323,273.66
Step by Step Solution
- Step 1: Write the proportion equation
374,357,020.80 : 560,739,268.80 = 310,656,028.80 : x - Step 2: Convert to fraction form
374,357,020.80/560,739,268.80 = 310,656,028.80/x - Step 3: Cross multiply
374,357,020.80x = 560,739,268.80 × 310,656,028.80 - Step 4: Simplify right side
374,357,020.80x = 174,197,034,437,623,744 - Step 5: Solve for x
x = 174,197,034,437,623,744/374,357,020.80 - Step 6: Final answer
x = 465,323,273.66
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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.