Finding the Fourth Proportional to 2,613,963,516.12, 3,922,103,149.34 and 1,370,098,369.49
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Solution
The fourth proportional to 2,613,963,516.12, 3,922,103,149.34 and 1,370,098,369.49 is: 2,055,754,449.79
Step by Step Solution
- Step 1: Write the proportion equation
2,613,963,516.12 : 3,922,103,149.34 = 1,370,098,369.49 : x - Step 2: Convert to fraction form
2,613,963,516.12/3,922,103,149.34 = 1,370,098,369.49/x - Step 3: Cross multiply
2,613,963,516.12x = 3,922,103,149.34 × 1,370,098,369.49 - Step 4: Simplify right side
2,613,963,516.12x = 5,373,667,129,855,866,880 - Step 5: Solve for x
x = 5,373,667,129,855,866,880/2,613,963,516.12 - Step 6: Final answer
x = 2,055,754,449.79
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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.