Finding the Fourth Proportional to 314,935,520.70, 472,403,281.05 and 306,432,464.70
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Solution
The fourth proportional to 314,935,520.70, 472,403,281.05 and 306,432,464.70 is: 459,648,697.05
Step by Step Solution
- Step 1: Write the proportion equation
314,935,520.70 : 472,403,281.05 = 306,432,464.70 : x - Step 2: Convert to fraction form
314,935,520.70/472,403,281.05 = 306,432,464.70/x - Step 3: Cross multiply
314,935,520.70x = 472,403,281.05 × 306,432,464.70 - Step 4: Simplify right side
314,935,520.70x = 144,759,701,744,518,304 - Step 5: Solve for x
x = 144,759,701,744,518,304/314,935,520.70 - Step 6: Final answer
x = 459,648,697.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.