Finding the Fourth Proportional to 453,993,940.70, 680,990,911.05 and 224,411,428.70
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Solution
The fourth proportional to 453,993,940.70, 680,990,911.05 and 224,411,428.70 is: 336,617,143.05
Step by Step Solution
- Step 1: Write the proportion equation
453,993,940.70 : 680,990,911.05 = 224,411,428.70 : x - Step 2: Convert to fraction form
453,993,940.70/680,990,911.05 = 224,411,428.70/x - Step 3: Cross multiply
453,993,940.70x = 680,990,911.05 × 224,411,428.70 - Step 4: Simplify right side
453,993,940.70x = 152,822,143,280,445,088 - Step 5: Solve for x
x = 152,822,143,280,445,088/453,993,940.70 - Step 6: Final answer
x = 336,617,143.05
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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.