Finding the Fourth Proportional to 353,158,294.44, 487,354,578.84 and 194,385,022.80
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Solution
The fourth proportional to 353,158,294.44, 487,354,578.84 and 194,385,022.80 is: 268,249,202.73
Step by Step Solution
- Step 1: Write the proportion equation
353,158,294.44 : 487,354,578.84 = 194,385,022.80 : x - Step 2: Convert to fraction form
353,158,294.44/487,354,578.84 = 194,385,022.80/x - Step 3: Cross multiply
353,158,294.44x = 487,354,578.84 × 194,385,022.80 - Step 4: Simplify right side
353,158,294.44x = 94,734,430,919,497,792 - Step 5: Solve for x
x = 94,734,430,919,497,792/353,158,294.44 - Step 6: Final answer
x = 268,249,202.73
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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.