Finding the Fourth Proportional to 1,648,804,563.65, 2,473,206,845.48 and 558,287,631.65
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Solution
The fourth proportional to 1,648,804,563.65, 2,473,206,845.48 and 558,287,631.65 is: 837,431,447.48
Step by Step Solution
- Step 1: Write the proportion equation
1,648,804,563.65 : 2,473,206,845.48 = 558,287,631.65 : x - Step 2: Convert to fraction form
1,648,804,563.65/2,473,206,845.48 = 558,287,631.65/x - Step 3: Cross multiply
1,648,804,563.65x = 2,473,206,845.48 × 558,287,631.65 - Step 4: Simplify right side
1,648,804,563.65x = 1,380,760,792,343,596,544 - Step 5: Solve for x
x = 1,380,760,792,343,596,544/1,648,804,563.65 - Step 6: Final answer
x = 837,431,447.48
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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.