Finding the Fourth Proportional to 653,467,795.14, 901,759,318.15 and 356,103,699.44
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Solution
The fourth proportional to 653,467,795.14, 901,759,318.15 and 356,103,699.44 is: 491,408,806.35
Step by Step Solution
- Step 1: Write the proportion equation
653,467,795.14 : 901,759,318.15 = 356,103,699.44 : x - Step 2: Convert to fraction form
653,467,795.14/901,759,318.15 = 356,103,699.44/x - Step 3: Cross multiply
653,467,795.14x = 901,759,318.15 × 356,103,699.44 - Step 4: Simplify right side
653,467,795.14x = 321,119,829,201,110,016 - Step 5: Solve for x
x = 321,119,829,201,110,016/653,467,795.14 - Step 6: Final answer
x = 491,408,806.35
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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.