Finding the Fourth Proportional to 2,209,240,779.24, 3,048,816,911.28 and 1,205,722,711.32
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Solution
The fourth proportional to 2,209,240,779.24, 3,048,816,911.28 and 1,205,722,711.32 is: 1,663,932,617.54
Step by Step Solution
- Step 1: Write the proportion equation
2,209,240,779.24 : 3,048,816,911.28 = 1,205,722,711.32 : x - Step 2: Convert to fraction form
2,209,240,779.24/3,048,816,911.28 = 1,205,722,711.32/x - Step 3: Cross multiply
2,209,240,779.24x = 3,048,816,911.28 × 1,205,722,711.32 - Step 4: Simplify right side
2,209,240,779.24x = 3,676,027,792,586,789,376 - Step 5: Solve for x
x = 3,676,027,792,586,789,376/2,209,240,779.24 - Step 6: Final answer
x = 1,663,932,617.54
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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.