Finding the Fourth Proportional to 453,993,935.70, 680,990,903.55 and 224,411,423.70
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Solution
The fourth proportional to 453,993,935.70, 680,990,903.55 and 224,411,423.70 is: 336,617,135.55
Step by Step Solution
- Step 1: Write the proportion equation
453,993,935.70 : 680,990,903.55 = 224,411,423.70 : x - Step 2: Convert to fraction form
453,993,935.70/680,990,903.55 = 224,411,423.70/x - Step 3: Cross multiply
453,993,935.70x = 680,990,903.55 × 224,411,423.70 - Step 4: Simplify right side
453,993,935.70x = 152,822,138,192,404,864 - Step 5: Solve for x
x = 152,822,138,192,404,864/453,993,935.70 - Step 6: Final answer
x = 336,617,135.55
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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.