Finding the Fourth Proportional to 454,830,328.37, 627,665,854.14 and 245,986,470.99
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Solution
The fourth proportional to 454,830,328.37, 627,665,854.14 and 245,986,470.99 is: 339,461,330.50
Step by Step Solution
- Step 1: Write the proportion equation
454,830,328.37 : 627,665,854.14 = 245,986,470.99 : x - Step 2: Convert to fraction form
454,830,328.37/627,665,854.14 = 245,986,470.99/x - Step 3: Cross multiply
454,830,328.37x = 627,665,854.14 × 245,986,470.99 - Step 4: Simplify right side
454,830,328.37x = 154,397,308,420,822,688 - Step 5: Solve for x
x = 154,397,308,420,822,688/454,830,328.37 - Step 6: Final answer
x = 339,461,330.50
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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.