Finding the Fourth Proportional to 618,590,473.71, 927,272,809.62 and 290,478,634.26
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Solution
The fourth proportional to 618,590,473.71, 927,272,809.62 and 290,478,634.26 is: 435,430,144.45
Step by Step Solution
- Step 1: Write the proportion equation
618,590,473.71 : 927,272,809.62 = 290,478,634.26 : x - Step 2: Convert to fraction form
618,590,473.71/927,272,809.62 = 290,478,634.26/x - Step 3: Cross multiply
618,590,473.71x = 927,272,809.62 × 290,478,634.26 - Step 4: Simplify right side
618,590,473.71x = 269,352,939,324,850,592 - Step 5: Solve for x
x = 269,352,939,324,850,592/618,590,473.71 - Step 6: Final answer
x = 435,430,144.45
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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.