Finding the Fourth Proportional to 5,391,907,693.80, 8,087,861,540.70 and 4,472,821,818.60
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Solution
The fourth proportional to 5,391,907,693.80, 8,087,861,540.70 and 4,472,821,818.60 is: 6,709,232,727.90
Step by Step Solution
- Step 1: Write the proportion equation
5,391,907,693.80 : 8,087,861,540.70 = 4,472,821,818.60 : x - Step 2: Convert to fraction form
5,391,907,693.80/8,087,861,540.70 = 4,472,821,818.60/x - Step 3: Cross multiply
5,391,907,693.80x = 8,087,861,540.70 × 4,472,821,818.60 - Step 4: Simplify right side
5,391,907,693.80x = 36,175,563,565,058,772,992 - Step 5: Solve for x
x = 36,175,563,565,058,772,992/5,391,907,693.80 - Step 6: Final answer
x = 6,709,232,727.90
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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.