Finding the Fourth Proportional to 744,591,379.96, 1,115,434,075.47 and 580,058,741.08
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Solution
The fourth proportional to 744,591,379.96, 1,115,434,075.47 and 580,058,741.08 is: 868,956,185.89
Step by Step Solution
- Step 1: Write the proportion equation
744,591,379.96 : 1,115,434,075.47 = 580,058,741.08 : x - Step 2: Convert to fraction form
744,591,379.96/1,115,434,075.47 = 580,058,741.08/x - Step 3: Cross multiply
744,591,379.96x = 1,115,434,075.47 × 580,058,741.08 - Step 4: Simplify right side
744,591,379.96x = 647,017,285,574,861,952 - Step 5: Solve for x
x = 647,017,285,574,861,952/744,591,379.96 - Step 6: Final answer
x = 868,956,185.89
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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.