Finding the Fourth Proportional to 458,303,779.22, 687,448,937.67 and 113,257,396.94
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Solution
The fourth proportional to 458,303,779.22, 687,448,937.67 and 113,257,396.94 is: 169,884,431.99
Step by Step Solution
- Step 1: Write the proportion equation
458,303,779.22 : 687,448,937.67 = 113,257,396.94 : x - Step 2: Convert to fraction form
458,303,779.22/687,448,937.67 = 113,257,396.94/x - Step 3: Cross multiply
458,303,779.22x = 687,448,937.67 × 113,257,396.94 - Step 4: Simplify right side
458,303,779.22x = 77,858,677,209,672,496 - Step 5: Solve for x
x = 77,858,677,209,672,496/458,303,779.22 - Step 6: Final answer
x = 169,884,431.99
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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.