Finding the Fourth Proportional to 1,648,804,558.65, 2,473,206,837.98 and 558,287,626.65
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Solution
The fourth proportional to 1,648,804,558.65, 2,473,206,837.98 and 558,287,626.65 is: 837,431,439.98
Step by Step Solution
- Step 1: Write the proportion equation
1,648,804,558.65 : 2,473,206,837.98 = 558,287,626.65 : x - Step 2: Convert to fraction form
1,648,804,558.65/2,473,206,837.98 = 558,287,626.65/x - Step 3: Cross multiply
1,648,804,558.65x = 2,473,206,837.98 × 558,287,626.65 - Step 4: Simplify right side
1,648,804,558.65x = 1,380,760,775,787,613,696 - Step 5: Solve for x
x = 1,380,760,775,787,613,696/1,648,804,558.65 - Step 6: Final answer
x = 837,431,439.98
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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.