Finding the Fourth Proportional to 446,367,866.46, 669,553,938.09 and 135,478,183.02
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Solution
The fourth proportional to 446,367,866.46, 669,553,938.09 and 135,478,183.02 is: 203,217,923.56
Step by Step Solution
- Step 1: Write the proportion equation
446,367,866.46 : 669,553,938.09 = 135,478,183.02 : x - Step 2: Convert to fraction form
446,367,866.46/669,553,938.09 = 135,478,183.02/x - Step 3: Cross multiply
446,367,866.46x = 669,553,938.09 × 135,478,183.02 - Step 4: Simplify right side
446,367,866.46x = 90,709,950,966,318,784 - Step 5: Solve for x
x = 90,709,950,966,318,784/446,367,866.46 - Step 6: Final answer
x = 203,217,923.56
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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.