Finding the Fourth Proportional to 292,159,780,229.70, 438,239,670,344.55 and 292,159,780,229.70
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Solution
The fourth proportional to 292,159,780,229.70, 438,239,670,344.55 and 292,159,780,229.70 is: 438,239,670,344.55
Step by Step Solution
- Step 1: Write the proportion equation
292,159,780,229.70 : 438,239,670,344.55 = 292,159,780,229.70 : x - Step 2: Convert to fraction form
292,159,780,229.70/438,239,670,344.55 = 292,159,780,229.70/x - Step 3: Cross multiply
292,159,780,229.70x = 438,239,670,344.55 × 292,159,780,229.70 - Step 4: Simplify right side
292,159,780,229.70x = 128,036,005,775,799,910,137,856 - Step 5: Solve for x
x = 128,036,005,775,799,910,137,856/292,159,780,229.70 - Step 6: Final answer
x = 438,239,670,344.55
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1.5x scale
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.