Finding the Fourth Proportional to 4,225,240,219.44, 6,338,590,852.72 and 1,427,229,139.12
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Solution
The fourth proportional to 4,225,240,219.44, 6,338,590,852.72 and 1,427,229,139.12 is: 2,141,090,469.68
Step by Step Solution
- Step 1: Write the proportion equation
4,225,240,219.44 : 6,338,590,852.72 = 1,427,229,139.12 : x - Step 2: Convert to fraction form
4,225,240,219.44/6,338,590,852.72 = 1,427,229,139.12/x - Step 3: Cross multiply
4,225,240,219.44x = 6,338,590,852.72 × 1,427,229,139.12 - Step 4: Simplify right side
4,225,240,219.44x = 9,046,621,565,961,472,000 - Step 5: Solve for x
x = 9,046,621,565,961,472,000/4,225,240,219.44 - Step 6: Final answer
x = 2,141,090,469.68
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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.