Finding the Fourth Proportional to 4,894,474,122.32, 7,336,484,140.36 and 2,791,422,147.39
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Solution
The fourth proportional to 4,894,474,122.32, 7,336,484,140.36 and 2,791,422,147.39 is: 4,184,152,127.80
Step by Step Solution
- Step 1: Write the proportion equation
4,894,474,122.32 : 7,336,484,140.36 = 2,791,422,147.39 : x - Step 2: Convert to fraction form
4,894,474,122.32/7,336,484,140.36 = 2,791,422,147.39/x - Step 3: Cross multiply
4,894,474,122.32x = 7,336,484,140.36 × 2,791,422,147.39 - Step 4: Simplify right side
4,894,474,122.32x = 20,479,224,313,376,387,072 - Step 5: Solve for x
x = 20,479,224,313,376,387,072/4,894,474,122.32 - Step 6: Final answer
x = 4,184,152,127.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.