Finding the Fourth Proportional to 1,547,608,711.92, 2,135,643,918.33 and 945,786,184.68
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Solution
The fourth proportional to 1,547,608,711.92, 2,135,643,918.33 and 945,786,184.68 is: 1,305,150,648.09
Step by Step Solution
- Step 1: Write the proportion equation
1,547,608,711.92 : 2,135,643,918.33 = 945,786,184.68 : x - Step 2: Convert to fraction form
1,547,608,711.92/2,135,643,918.33 = 945,786,184.68/x - Step 3: Cross multiply
1,547,608,711.92x = 2,135,643,918.33 × 945,786,184.68 - Step 4: Simplify right side
1,547,608,711.92x = 2,019,862,513,352,376,064 - Step 5: Solve for x
x = 2,019,862,513,352,376,064/1,547,608,711.92 - Step 6: Final answer
x = 1,305,150,648.09
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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.