Finding the Fourth Proportional to 346,303,799.20, 477,899,708.70 and 187,534,199.08
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Solution
The fourth proportional to 346,303,799.20, 477,899,708.70 and 187,534,199.08 is: 258,797,446.98
Step by Step Solution
- Step 1: Write the proportion equation
346,303,799.20 : 477,899,708.70 = 187,534,199.08 : x - Step 2: Convert to fraction form
346,303,799.20/477,899,708.70 = 187,534,199.08/x - Step 3: Cross multiply
346,303,799.20x = 477,899,708.70 × 187,534,199.08 - Step 4: Simplify right side
346,303,799.20x = 89,622,539,111,619,808 - Step 5: Solve for x
x = 89,622,539,111,619,808/346,303,799.20 - Step 6: Final answer
x = 258,797,446.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.