Finding the Fourth Proportional to 553,811,439.67, 764,495,108.75 and 345,070,715.09
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Solution
The fourth proportional to 553,811,439.67, 764,495,108.75 and 345,070,715.09 is: 476,344,212.06
Step by Step Solution
- Step 1: Write the proportion equation
553,811,439.67 : 764,495,108.75 = 345,070,715.09 : x - Step 2: Convert to fraction form
553,811,439.67/764,495,108.75 = 345,070,715.09/x - Step 3: Cross multiply
553,811,439.67x = 764,495,108.75 × 345,070,715.09 - Step 4: Simplify right side
553,811,439.67x = 263,804,873,856,210,016 - Step 5: Solve for x
x = 263,804,873,856,210,016/553,811,439.67 - Step 6: Final answer
x = 476,344,212.06
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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.