Finding the Fourth Proportional to 454,548,106.62, 627,276,572.92 and 245,704,248.59
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Solution
The fourth proportional to 454,548,106.62, 627,276,572.92 and 245,704,248.59 is: 339,071,963.47
Step by Step Solution
- Step 1: Write the proportion equation
454,548,106.62 : 627,276,572.92 = 245,704,248.59 : x - Step 2: Convert to fraction form
454,548,106.62/627,276,572.92 = 245,704,248.59/x - Step 3: Cross multiply
454,548,106.62x = 627,276,572.92 × 245,704,248.59 - Step 4: Simplify right side
454,548,106.62x = 154,124,519,004,582,304 - Step 5: Solve for x
x = 154,124,519,004,582,304/454,548,106.62 - Step 6: Final answer
x = 339,071,963.47
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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.