Finding the Fourth Proportional to 1,241,177,702.08, 1,861,206,288.87 and 355,660,519.18
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Solution
The fourth proportional to 1,241,177,702.08, 1,861,206,288.87 and 355,660,519.18 is: 533,330,234.58
Step by Step Solution
- Step 1: Write the proportion equation
1,241,177,702.08 : 1,861,206,288.87 = 355,660,519.18 : x - Step 2: Convert to fraction form
1,241,177,702.08/1,861,206,288.87 = 355,660,519.18/x - Step 3: Cross multiply
1,241,177,702.08x = 1,861,206,288.87 × 355,660,519.18 - Step 4: Simplify right side
1,241,177,702.08x = 661,957,595,000,585,216 - Step 5: Solve for x
x = 661,957,595,000,585,216/1,241,177,702.08 - Step 6: Final answer
x = 533,330,234.58
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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.