Finding the Fourth Proportional to 424,647,652.23, 585,711,890.93 and 283,447,680.95
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Solution
The fourth proportional to 424,647,652.23, 585,711,890.93 and 283,447,680.95 is: 390,956,305.35
Step by Step Solution
- Step 1: Write the proportion equation
424,647,652.23 : 585,711,890.93 = 283,447,680.95 : x - Step 2: Convert to fraction form
424,647,652.23/585,711,890.93 = 283,447,680.95/x - Step 3: Cross multiply
424,647,652.23x = 585,711,890.93 × 283,447,680.95 - Step 4: Simplify right side
424,647,652.23x = 166,018,677,191,120,736 - Step 5: Solve for x
x = 166,018,677,191,120,736/424,647,652.23 - Step 6: Final answer
x = 390,956,305.35
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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.