Finding the Fourth Proportional to 1,241,177,701.08, 1,861,206,287.37 and 355,660,518.18
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Solution
The fourth proportional to 1,241,177,701.08, 1,861,206,287.37 and 355,660,518.18 is: 533,330,233.08
Step by Step Solution
- Step 1: Write the proportion equation
1,241,177,701.08 : 1,861,206,287.37 = 355,660,518.18 : x - Step 2: Convert to fraction form
1,241,177,701.08/1,861,206,287.37 = 355,660,518.18/x - Step 3: Cross multiply
1,241,177,701.08x = 1,861,206,287.37 × 355,660,518.18 - Step 4: Simplify right side
1,241,177,701.08x = 661,957,592,605,888,128 - Step 5: Solve for x
x = 661,957,592,605,888,128/1,241,177,701.08 - Step 6: Final answer
x = 533,330,233.08
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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.