Finding the Fourth Proportional to 422,024,779.70, 633,149,143.95 and 149,367,115.70
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Solution
The fourth proportional to 422,024,779.70, 633,149,143.95 and 149,367,115.70 is: 224,090,304.62
Step by Step Solution
- Step 1: Write the proportion equation
422,024,779.70 : 633,149,143.95 = 149,367,115.70 : x - Step 2: Convert to fraction form
422,024,779.70/633,149,143.95 = 149,367,115.70/x - Step 3: Cross multiply
422,024,779.70x = 633,149,143.95 × 149,367,115.70 - Step 4: Simplify right side
422,024,779.70x = 94,571,661,439,735,600 - Step 5: Solve for x
x = 94,571,661,439,735,600/422,024,779.70 - Step 6: Final answer
x = 224,090,304.62
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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.