Finding the Fourth Proportional to 2,931,264,190.80, 4,396,896,286.20 and 2,058,850,645.20
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Solution
The fourth proportional to 2,931,264,190.80, 4,396,896,286.20 and 2,058,850,645.20 is: 3,088,275,967.80
Step by Step Solution
- Step 1: Write the proportion equation
2,931,264,190.80 : 4,396,896,286.20 = 2,058,850,645.20 : x - Step 2: Convert to fraction form
2,931,264,190.80/4,396,896,286.20 = 2,058,850,645.20/x - Step 3: Cross multiply
2,931,264,190.80x = 4,396,896,286.20 × 2,058,850,645.20 - Step 4: Simplify right side
2,931,264,190.80x = 9,052,552,755,720,353,792 - Step 5: Solve for x
x = 9,052,552,755,720,353,792/2,931,264,190.80 - Step 6: Final answer
x = 3,088,275,967.80
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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.