Finding the Fourth Proportional to 454,830,330.99, 627,665,857.76 and 245,986,473.63
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Solution
The fourth proportional to 454,830,330.99, 627,665,857.76 and 245,986,473.63 is: 339,461,334.14
Step by Step Solution
- Step 1: Write the proportion equation
454,830,330.99 : 627,665,857.76 = 245,986,473.63 : x - Step 2: Convert to fraction form
454,830,330.99/627,665,857.76 = 245,986,473.63/x - Step 3: Cross multiply
454,830,330.99x = 627,665,857.76 × 245,986,473.63 - Step 4: Simplify right side
454,830,330.99x = 154,397,310,967,101,632 - Step 5: Solve for x
x = 154,397,310,967,101,632/454,830,330.99 - Step 6: Final answer
x = 339,461,334.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.