Finding the Fourth Proportional to 432,435,863.22, 648,764,290.28 and 125,727,976.10
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Solution
The fourth proportional to 432,435,863.22, 648,764,290.28 and 125,727,976.10 is: 188,624,090.00
Step by Step Solution
- Step 1: Write the proportion equation
432,435,863.22 : 648,764,290.28 = 125,727,976.10 : x - Step 2: Convert to fraction form
432,435,863.22/648,764,290.28 = 125,727,976.10/x - Step 3: Cross multiply
432,435,863.22x = 648,764,290.28 × 125,727,976.10 - Step 4: Simplify right side
432,435,863.22x = 81,567,821,182,857,296 - Step 5: Solve for x
x = 81,567,821,182,857,296/432,435,863.22 - Step 6: Final answer
x = 188,624,090.00
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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.