Finding the Fourth Proportional to 2,889,216,187.40, 4,333,824,281.10 and 2,153,469,729.80
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Solution
The fourth proportional to 2,889,216,187.40, 4,333,824,281.10 and 2,153,469,729.80 is: 3,230,204,594.70
Step by Step Solution
- Step 1: Write the proportion equation
2,889,216,187.40 : 4,333,824,281.10 = 2,153,469,729.80 : x - Step 2: Convert to fraction form
2,889,216,187.40/4,333,824,281.10 = 2,153,469,729.80/x - Step 3: Cross multiply
2,889,216,187.40x = 4,333,824,281.10 × 2,153,469,729.80 - Step 4: Simplify right side
2,889,216,187.40x = 9,332,759,403,621,097,472 - Step 5: Solve for x
x = 9,332,759,403,621,097,472/2,889,216,187.40 - Step 6: Final answer
x = 3,230,204,594.70
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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.