Finding the Fourth Proportional to 454,830,329.49, 627,665,855.68 and 245,986,472.13
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Solution
The fourth proportional to 454,830,329.49, 627,665,855.68 and 245,986,472.13 is: 339,461,332.07
Step by Step Solution
- Step 1: Write the proportion equation
454,830,329.49 : 627,665,855.68 = 245,986,472.13 : x - Step 2: Convert to fraction form
454,830,329.49/627,665,855.68 = 245,986,472.13/x - Step 3: Cross multiply
454,830,329.49x = 627,665,855.68 × 245,986,472.13 - Step 4: Simplify right side
454,830,329.49x = 154,397,309,513,134,656 - Step 5: Solve for x
x = 154,397,309,513,134,656/454,830,329.49 - Step 6: Final answer
x = 339,461,332.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.