Finding the Fourth Proportional to 5,542,229,873.46, 7,648,216,272.72 and 3,001,848,639.78
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Solution
The fourth proportional to 5,542,229,873.46, 7,648,216,272.72 and 3,001,848,639.78 is: 4,142,518,108.99
Step by Step Solution
- Step 1: Write the proportion equation
5,542,229,873.46 : 7,648,216,272.72 = 3,001,848,639.78 : x - Step 2: Convert to fraction form
5,542,229,873.46/7,648,216,272.72 = 3,001,848,639.78/x - Step 3: Cross multiply
5,542,229,873.46x = 7,648,216,272.72 × 3,001,848,639.78 - Step 4: Simplify right side
5,542,229,873.46x = 22,958,787,615,007,797,248 - Step 5: Solve for x
x = 22,958,787,615,007,797,248/5,542,229,873.46 - Step 6: Final answer
x = 4,142,518,108.99
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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.