Finding the Fourth Proportional to 513,137,344.68, 708,135,084.72 and 301,453,098.12
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Solution
The fourth proportional to 513,137,344.68, 708,135,084.72 and 301,453,098.12 is: 416,008,535.32
Step by Step Solution
- Step 1: Write the proportion equation
513,137,344.68 : 708,135,084.72 = 301,453,098.12 : x - Step 2: Convert to fraction form
513,137,344.68/708,135,084.72 = 301,453,098.12/x - Step 3: Cross multiply
513,137,344.68x = 708,135,084.72 × 301,453,098.12 - Step 4: Simplify right side
513,137,344.68x = 213,469,515,176,312,672 - Step 5: Solve for x
x = 213,469,515,176,312,672/513,137,344.68 - Step 6: Final answer
x = 416,008,535.32
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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.