Finding the Fourth Proportional to 322,420,477.44, 483,344,371.20 and 125,638,329.60
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Solution
The fourth proportional to 322,420,477.44, 483,344,371.20 and 125,638,329.60 is: 188,345,913.70
Step by Step Solution
- Step 1: Write the proportion equation
322,420,477.44 : 483,344,371.20 = 125,638,329.60 : x - Step 2: Convert to fraction form
322,420,477.44/483,344,371.20 = 125,638,329.60/x - Step 3: Cross multiply
322,420,477.44x = 483,344,371.20 × 125,638,329.60 - Step 4: Simplify right side
322,420,477.44x = 60,726,579,419,130,344 - Step 5: Solve for x
x = 60,726,579,419,130,344/322,420,477.44 - Step 6: Final answer
x = 188,345,913.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.