Finding the Fourth Proportional to 1,185,417,509.11, 1,777,437,022.41 and 448,544,336.90
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Solution
The fourth proportional to 1,185,417,509.11, 1,777,437,022.41 and 448,544,336.90 is: 672,555,706.71
Step by Step Solution
- Step 1: Write the proportion equation
1,185,417,509.11 : 1,777,437,022.41 = 448,544,336.90 : x - Step 2: Convert to fraction form
1,185,417,509.11/1,777,437,022.41 = 448,544,336.90/x - Step 3: Cross multiply
1,185,417,509.11x = 1,777,437,022.41 × 448,544,336.90 - Step 4: Simplify right side
1,185,417,509.11x = 797,259,310,589,516,672 - Step 5: Solve for x
x = 797,259,310,589,516,672/1,185,417,509.11 - Step 6: Final answer
x = 672,555,706.71
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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.