Finding the Fourth Proportional to 445,022,815.63, 614,130,498.80 and 246,779,410.99
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Solution
The fourth proportional to 445,022,815.63, 614,130,498.80 and 246,779,410.99 is: 340,555,039.97
Step by Step Solution
- Step 1: Write the proportion equation
445,022,815.63 : 614,130,498.80 = 246,779,410.99 : x - Step 2: Convert to fraction form
445,022,815.63/614,130,498.80 = 246,779,410.99/x - Step 3: Cross multiply
445,022,815.63x = 614,130,498.80 × 246,779,410.99 - Step 4: Simplify right side
445,022,815.63x = 151,554,762,763,624,992 - Step 5: Solve for x
x = 151,554,762,763,624,992/445,022,815.63 - Step 6: Final answer
x = 340,555,039.97
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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.