Finding the Fourth Proportional to 872,431,247.57, 1,203,949,407.98 and 496,087,863.75
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Solution
The fourth proportional to 872,431,247.57, 1,203,949,407.98 and 496,087,863.75 is: 684,598,003.03
Step by Step Solution
- Step 1: Write the proportion equation
872,431,247.57 : 1,203,949,407.98 = 496,087,863.75 : x - Step 2: Convert to fraction form
872,431,247.57/1,203,949,407.98 = 496,087,863.75/x - Step 3: Cross multiply
872,431,247.57x = 1,203,949,407.98 × 496,087,863.75 - Step 4: Simplify right side
872,431,247.57x = 597,264,689,865,394,944 - Step 5: Solve for x
x = 597,264,689,865,394,944/872,431,247.57 - Step 6: Final answer
x = 684,598,003.03
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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.