Finding the Fourth Proportional to 453,993,942.70, 680,990,914.06 and 224,411,430.70
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Solution
The fourth proportional to 453,993,942.70, 680,990,914.06 and 224,411,430.70 is: 336,617,146.05
Step by Step Solution
- Step 1: Write the proportion equation
453,993,942.70 : 680,990,914.06 = 224,411,430.70 : x - Step 2: Convert to fraction form
453,993,942.70/680,990,914.06 = 224,411,430.70/x - Step 3: Cross multiply
453,993,942.70x = 680,990,914.06 × 224,411,430.70 - Step 4: Simplify right side
453,993,942.70x = 152,822,145,317,905,312 - Step 5: Solve for x
x = 152,822,145,317,905,312/453,993,942.70 - Step 6: Final answer
x = 336,617,146.05
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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.