Finding the Fourth Proportional to 3,640,986,567.93, 5,024,574,705.48 and 1,970,235,709.12
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Solution
The fourth proportional to 3,640,986,567.93, 5,024,574,705.48 and 1,970,235,709.12 is: 2,718,932,444.04
Step by Step Solution
- Step 1: Write the proportion equation
3,640,986,567.93 : 5,024,574,705.48 = 1,970,235,709.12 : x - Step 2: Convert to fraction form
3,640,986,567.93/5,024,574,705.48 = 1,970,235,709.12/x - Step 3: Cross multiply
3,640,986,567.93x = 5,024,574,705.48 × 1,970,235,709.12 - Step 4: Simplify right side
3,640,986,567.93x = 9,899,596,507,876,345,856 - Step 5: Solve for x
x = 9,899,596,507,876,345,856/3,640,986,567.93 - Step 6: Final answer
x = 2,718,932,444.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.