Finding the Fourth Proportional to 1,185,417,356.73, 1,777,436,794.35 and 448,544,184.54
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Solution
The fourth proportional to 1,185,417,356.73, 1,777,436,794.35 and 448,544,184.54 is: 672,555,478.43
Step by Step Solution
- Step 1: Write the proportion equation
1,185,417,356.73 : 1,777,436,794.35 = 448,544,184.54 : x - Step 2: Convert to fraction form
1,185,417,356.73/1,777,436,794.35 = 448,544,184.54/x - Step 3: Cross multiply
1,185,417,356.73x = 1,777,436,794.35 × 448,544,184.54 - Step 4: Simplify right side
1,185,417,356.73x = 797,258,937,493,112,448 - Step 5: Solve for x
x = 797,258,937,493,112,448/1,185,417,356.73 - Step 6: Final answer
x = 672,555,478.43
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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.