Finding the Fourth Proportional to 453,993,949.20, 680,990,923.80 and 224,411,437.20
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Solution
The fourth proportional to 453,993,949.20, 680,990,923.80 and 224,411,437.20 is: 336,617,155.80
Step by Step Solution
- Step 1: Write the proportion equation
453,993,949.20 : 680,990,923.80 = 224,411,437.20 : x - Step 2: Convert to fraction form
453,993,949.20/680,990,923.80 = 224,411,437.20/x - Step 3: Cross multiply
453,993,949.20x = 680,990,923.80 × 224,411,437.20 - Step 4: Simplify right side
453,993,949.20x = 152,822,151,930,113,664 - Step 5: Solve for x
x = 152,822,151,930,113,664/453,993,949.20 - Step 6: Final answer
x = 336,617,155.80
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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.