Finding the Fourth Proportional to 199,302,331.60, 298,953,497.40 and 147,646,266.40
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Solution
The fourth proportional to 199,302,331.60, 298,953,497.40 and 147,646,266.40 is: 221,469,399.60
Step by Step Solution
- Step 1: Write the proportion equation
199,302,331.60 : 298,953,497.40 = 147,646,266.40 : x - Step 2: Convert to fraction form
199,302,331.60/298,953,497.40 = 147,646,266.40/x - Step 3: Cross multiply
199,302,331.60x = 298,953,497.40 × 147,646,266.40 - Step 4: Simplify right side
199,302,331.60x = 44,139,367,718,332,104 - Step 5: Solve for x
x = 44,139,367,718,332,104/199,302,331.60 - Step 6: Final answer
x = 221,469,399.60
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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.