Finding the Fourth Proportional to 4,137,372,432.90, 6,209,081,958.15 and 2,912,932,368.90
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Solution
The fourth proportional to 4,137,372,432.90, 6,209,081,958.15 and 2,912,932,368.90 is: 4,371,527,125.10
Step by Step Solution
- Step 1: Write the proportion equation
4,137,372,432.90 : 6,209,081,958.15 = 2,912,932,368.90 : x - Step 2: Convert to fraction form
4,137,372,432.90/6,209,081,958.15 = 2,912,932,368.90/x - Step 3: Cross multiply
4,137,372,432.90x = 6,209,081,958.15 × 2,912,932,368.90 - Step 4: Simplify right side
4,137,372,432.90x = 18,086,635,817,048,129,536 - Step 5: Solve for x
x = 18,086,635,817,048,129,536/4,137,372,432.90 - Step 6: Final answer
x = 4,371,527,125.10
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1.5x scale
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.