Finding the Fourth Proportional to 498,314,117.80, 747,471,176.70 and 221,964,797.80
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Solution
The fourth proportional to 498,314,117.80, 747,471,176.70 and 221,964,797.80 is: 332,947,196.70
Step by Step Solution
- Step 1: Write the proportion equation
498,314,117.80 : 747,471,176.70 = 221,964,797.80 : x - Step 2: Convert to fraction form
498,314,117.80/747,471,176.70 = 221,964,797.80/x - Step 3: Cross multiply
498,314,117.80x = 747,471,176.70 × 221,964,797.80 - Step 4: Simplify right side
498,314,117.80x = 165,912,288,597,543,584 - Step 5: Solve for x
x = 165,912,288,597,543,584/498,314,117.80 - Step 6: Final answer
x = 332,947,196.70
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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.