Finding the Fourth Proportional to 321,352,326.26, 482,024,290.35 and 79,017,329.78
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Solution
The fourth proportional to 321,352,326.26, 482,024,290.35 and 79,017,329.78 is: 118,524,962.17
Step by Step Solution
- Step 1: Write the proportion equation
321,352,326.26 : 482,024,290.35 = 79,017,329.78 : x - Step 2: Convert to fraction form
321,352,326.26/482,024,290.35 = 79,017,329.78/x - Step 3: Cross multiply
321,352,326.26x = 482,024,290.35 × 79,017,329.78 - Step 4: Simplify right side
321,352,326.26x = 38,088,272,312,556,424 - Step 5: Solve for x
x = 38,088,272,312,556,424/321,352,326.26 - Step 6: Final answer
x = 118,524,962.17
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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.