Finding the Fourth Proportional to 2,113,330,165.32, 3,168,908,990.88 and 1,117,886,512.80
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Solution
The fourth proportional to 2,113,330,165.32, 3,168,908,990.88 and 1,117,886,512.80 is: 1,676,255,172.68
Step by Step Solution
- Step 1: Write the proportion equation
2,113,330,165.32 : 3,168,908,990.88 = 1,117,886,512.80 : x - Step 2: Convert to fraction form
2,113,330,165.32/3,168,908,990.88 = 1,117,886,512.80/x - Step 3: Cross multiply
2,113,330,165.32x = 3,168,908,990.88 × 1,117,886,512.80 - Step 4: Simplify right side
2,113,330,165.32x = 3,542,480,621,195,410,432 - Step 5: Solve for x
x = 3,542,480,621,195,410,432/2,113,330,165.32 - Step 6: Final answer
x = 1,676,255,172.68
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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.