Finding the Fourth Proportional to 319,936,934.47, 441,490,668.96 and 180,680,792.03
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Solution
The fourth proportional to 319,936,934.47, 441,490,668.96 and 180,680,792.03 is: 249,326,898.99
Step by Step Solution
- Step 1: Write the proportion equation
319,936,934.47 : 441,490,668.96 = 180,680,792.03 : x - Step 2: Convert to fraction form
319,936,934.47/441,490,668.96 = 180,680,792.03/x - Step 3: Cross multiply
319,936,934.47x = 441,490,668.96 × 180,680,792.03 - Step 4: Simplify right side
319,936,934.47x = 79,768,883,743,328,624 - Step 5: Solve for x
x = 79,768,883,743,328,624/319,936,934.47 - Step 6: Final answer
x = 249,326,898.99
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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.