Finding the Fourth Proportional to 454,548,142.74, 627,276,623.01 and 245,704,284.84
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Solution
The fourth proportional to 454,548,142.74, 627,276,623.01 and 245,704,284.84 is: 339,072,013.64
Step by Step Solution
- Step 1: Write the proportion equation
454,548,142.74 : 627,276,623.01 = 245,704,284.84 : x - Step 2: Convert to fraction form
454,548,142.74/627,276,623.01 = 245,704,284.84/x - Step 3: Cross multiply
454,548,142.74x = 627,276,623.01 × 245,704,284.84 - Step 4: Simplify right side
454,548,142.74x = 154,124,554,053,522,336 - Step 5: Solve for x
x = 154,124,554,053,522,336/454,548,142.74 - Step 6: Final answer
x = 339,072,013.64
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1.5x scale
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.