Finding the Fourth Proportional to 653,467,817.66, 901,759,349.14 and 356,103,721.98
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Solution
The fourth proportional to 653,467,817.66, 901,759,349.14 and 356,103,721.98 is: 491,408,837.41
Step by Step Solution
- Step 1: Write the proportion equation
653,467,817.66 : 901,759,349.14 = 356,103,721.98 : x - Step 2: Convert to fraction form
653,467,817.66/901,759,349.14 = 356,103,721.98/x - Step 3: Cross multiply
653,467,817.66x = 901,759,349.14 × 356,103,721.98 - Step 4: Simplify right side
653,467,817.66x = 321,119,860,558,126,080 - Step 5: Solve for x
x = 321,119,860,558,126,080/653,467,817.66 - Step 6: Final answer
x = 491,408,837.41
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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.