Finding the Fourth Proportional to 317,330,207.68, 473,858,404.96 and 259,153,295.28
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Solution
The fourth proportional to 317,330,207.68, 473,858,404.96 and 259,153,295.28 is: 386,984,800.59
Step by Step Solution
- Step 1: Write the proportion equation
317,330,207.68 : 473,858,404.96 = 259,153,295.28 : x - Step 2: Convert to fraction form
317,330,207.68/473,858,404.96 = 259,153,295.28/x - Step 3: Cross multiply
317,330,207.68x = 473,858,404.96 × 259,153,295.28 - Step 4: Simplify right side
317,330,207.68x = 122,801,967,141,508,688 - Step 5: Solve for x
x = 122,801,967,141,508,688/317,330,207.68 - Step 6: Final answer
x = 386,984,800.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.