Finding the Fourth Proportional to 716,735,573.20, 1,075,302,425.40 and 307,987,541.20
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Solution
The fourth proportional to 716,735,573.20, 1,075,302,425.40 and 307,987,541.20 is: 462,066,852.03
Step by Step Solution
- Step 1: Write the proportion equation
716,735,573.20 : 1,075,302,425.40 = 307,987,541.20 : x - Step 2: Convert to fraction form
716,735,573.20/1,075,302,425.40 = 307,987,541.20/x - Step 3: Cross multiply
716,735,573.20x = 1,075,302,425.40 × 307,987,541.20 - Step 4: Simplify right side
716,735,573.20x = 331,179,750,045,342,464 - Step 5: Solve for x
x = 331,179,750,045,342,464/716,735,573.20 - Step 6: Final answer
x = 462,066,852.03
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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.