Finding the Fourth Proportional to 839,232,000.20, 1,258,848,000.30 and 823,107,686.60
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Solution
The fourth proportional to 839,232,000.20, 1,258,848,000.30 and 823,107,686.60 is: 1,234,661,529.90
Step by Step Solution
- Step 1: Write the proportion equation
839,232,000.20 : 1,258,848,000.30 = 823,107,686.60 : x - Step 2: Convert to fraction form
839,232,000.20/1,258,848,000.30 = 823,107,686.60/x - Step 3: Cross multiply
839,232,000.20x = 1,258,848,000.30 × 823,107,686.60 - Step 4: Simplify right side
839,232,000.20x = 1,036,167,465,307,969,152 - Step 5: Solve for x
x = 1,036,167,465,307,969,152/839,232,000.20 - Step 6: Final answer
x = 1,234,661,529.90
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1.5x scale
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.