Finding the Fourth Proportional to 553,811,440.67, 764,495,110.13 and 345,070,716.09
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Solution
The fourth proportional to 553,811,440.67, 764,495,110.13 and 345,070,716.09 is: 476,344,213.44
Step by Step Solution
- Step 1: Write the proportion equation
553,811,440.67 : 764,495,110.13 = 345,070,716.09 : x - Step 2: Convert to fraction form
553,811,440.67/764,495,110.13 = 345,070,716.09/x - Step 3: Cross multiply
553,811,440.67x = 764,495,110.13 × 345,070,716.09 - Step 4: Simplify right side
553,811,440.67x = 263,804,875,099,862,496 - Step 5: Solve for x
x = 263,804,875,099,862,496/553,811,440.67 - Step 6: Final answer
x = 476,344,213.44
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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.