Finding the Fourth Proportional to 453,993,938.70, 680,990,908.05 and 224,411,426.70
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Solution
The fourth proportional to 453,993,938.70, 680,990,908.05 and 224,411,426.70 is: 336,617,140.05
Step by Step Solution
- Step 1: Write the proportion equation
453,993,938.70 : 680,990,908.05 = 224,411,426.70 : x - Step 2: Convert to fraction form
453,993,938.70/680,990,908.05 = 224,411,426.70/x - Step 3: Cross multiply
453,993,938.70x = 680,990,908.05 × 224,411,426.70 - Step 4: Simplify right side
453,993,938.70x = 152,822,141,245,228,992 - Step 5: Solve for x
x = 152,822,141,245,228,992/453,993,938.70 - Step 6: Final answer
x = 336,617,140.05
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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.