Finding the Fourth Proportional to 4,042,257,727.20, 6,062,819,720.40 and 1,282,165,749.60
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Solution
The fourth proportional to 4,042,257,727.20, 6,062,819,720.40 and 1,282,165,749.60 is: 1,923,068,818.49
Step by Step Solution
- Step 1: Write the proportion equation
4,042,257,727.20 : 6,062,819,720.40 = 1,282,165,749.60 : x - Step 2: Convert to fraction form
4,042,257,727.20/6,062,819,720.40 = 1,282,165,749.60/x - Step 3: Cross multiply
4,042,257,727.20x = 6,062,819,720.40 × 1,282,165,749.60 - Step 4: Simplify right side
4,042,257,727.20x = 7,773,539,791,496,327,168 - Step 5: Solve for x
x = 7,773,539,791,496,327,168/4,042,257,727.20 - Step 6: Final answer
x = 1,923,068,818.49
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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.