Finding the Fourth Proportional to 359,918,495.18, 496,688,002.35 and 194,906,349.26
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Solution
The fourth proportional to 359,918,495.18, 496,688,002.35 and 194,906,349.26 is: 268,971,021.37
Step by Step Solution
- Step 1: Write the proportion equation
359,918,495.18 : 496,688,002.35 = 194,906,349.26 : x - Step 2: Convert to fraction form
359,918,495.18/496,688,002.35 = 194,906,349.26/x - Step 3: Cross multiply
359,918,495.18x = 496,688,002.35 × 194,906,349.26 - Step 4: Simplify right side
359,918,495.18x = 96,807,645,259,280,800 - Step 5: Solve for x
x = 96,807,645,259,280,800/359,918,495.18 - Step 6: Final answer
x = 268,971,021.37
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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.