Finding the Fourth Proportional to 576,787,226.40, 795,963,101.76 and 312,474,389.04
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Solution
The fourth proportional to 576,787,226.40, 795,963,101.76 and 312,474,389.04 is: 431,212,884.99
Step by Step Solution
- Step 1: Write the proportion equation
576,787,226.40 : 795,963,101.76 = 312,474,389.04 : x - Step 2: Convert to fraction form
576,787,226.40/795,963,101.76 = 312,474,389.04/x - Step 3: Cross multiply
576,787,226.40x = 795,963,101.76 × 312,474,389.04 - Step 4: Simplify right side
576,787,226.40x = 248,718,083,920,839,360 - Step 5: Solve for x
x = 248,718,083,920,839,360/576,787,226.40 - Step 6: Final answer
x = 431,212,884.99
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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.