Finding the Fourth Proportional to 403,251,431.70, 604,877,147.55 and 403,251,431.70
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Solution
The fourth proportional to 403,251,431.70, 604,877,147.55 and 403,251,431.70 is: 604,877,147.55
Step by Step Solution
- Step 1: Write the proportion equation
403,251,431.70 : 604,877,147.55 = 403,251,431.70 : x - Step 2: Convert to fraction form
403,251,431.70/604,877,147.55 = 403,251,431.70/x - Step 3: Cross multiply
403,251,431.70x = 604,877,147.55 × 403,251,431.70 - Step 4: Simplify right side
403,251,431.70x = 243,917,575,752,149,632 - Step 5: Solve for x
x = 243,917,575,752,149,632/403,251,431.70 - Step 6: Final answer
x = 604,877,147.55
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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.