Finding the Fourth Proportional to 4,087,512,143.57, 5,640,769,027.98 and 2,207,917,445.96
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Solution
The fourth proportional to 4,087,512,143.57, 5,640,769,027.98 and 2,207,917,445.96 is: 3,046,927,301.51
Step by Step Solution
- Step 1: Write the proportion equation
4,087,512,143.57 : 5,640,769,027.98 = 2,207,917,445.96 : x - Step 2: Convert to fraction form
4,087,512,143.57/5,640,769,027.98 = 2,207,917,445.96/x - Step 3: Cross multiply
4,087,512,143.57x = 5,640,769,027.98 × 2,207,917,445.96 - Step 4: Simplify right side
4,087,512,143.57x = 12,454,352,345,479,667,712 - Step 5: Solve for x
x = 12,454,352,345,479,667,712/4,087,512,143.57 - Step 6: Final answer
x = 3,046,927,301.51
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1.5x scale
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.