Finding the Fourth Proportional to 531,445,887.26, 733,395,781.13 and 296,496,583.91
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Solution
The fourth proportional to 531,445,887.26, 733,395,781.13 and 296,496,583.91 is: 409,165,540.59
Step by Step Solution
- Step 1: Write the proportion equation
531,445,887.26 : 733,395,781.13 = 296,496,583.91 : x - Step 2: Convert to fraction form
531,445,887.26/733,395,781.13 = 296,496,583.91/x - Step 3: Cross multiply
531,445,887.26x = 733,395,781.13 × 296,496,583.91 - Step 4: Simplify right side
531,445,887.26x = 217,449,343,753,901,568 - Step 5: Solve for x
x = 217,449,343,753,901,568/531,445,887.26 - Step 6: Final answer
x = 409,165,540.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.