Finding the Fourth Proportional to 371,361,129.60, 512,489,894.74 and 204,094,355.91
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Solution
The fourth proportional to 371,361,129.60, 512,489,894.74 and 204,094,355.91 is: 281,656,551.09
Step by Step Solution
- Step 1: Write the proportion equation
371,361,129.60 : 512,489,894.74 = 204,094,355.91 : x - Step 2: Convert to fraction form
371,361,129.60/512,489,894.74 = 204,094,355.91/x - Step 3: Cross multiply
371,361,129.60x = 512,489,894.74 × 204,094,355.91 - Step 4: Simplify right side
371,361,129.60x = 104,596,294,974,906,800 - Step 5: Solve for x
x = 104,596,294,974,906,800/371,361,129.60 - Step 6: Final answer
x = 281,656,551.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.