Finding the Fourth Proportional to 7,133,509,190.40, 10,700,263,785.60 and 1,893,926,083.20
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Solution
The fourth proportional to 7,133,509,190.40, 10,700,263,785.60 and 1,893,926,083.20 is: 2,840,889,124.80
Step by Step Solution
- Step 1: Write the proportion equation
7,133,509,190.40 : 10,700,263,785.60 = 1,893,926,083.20 : x - Step 2: Convert to fraction form
7,133,509,190.40/10,700,263,785.60 = 1,893,926,083.20/x - Step 3: Cross multiply
7,133,509,190.40x = 10,700,263,785.60 × 1,893,926,083.20 - Step 4: Simplify right side
7,133,509,190.40x = 20,265,508,680,668,213,248 - Step 5: Solve for x
x = 20,265,508,680,668,213,248/7,133,509,190.40 - Step 6: Final answer
x = 2,840,889,124.80
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1.5x scale
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.