Finding the Fourth Proportional to 2,638,569,743.10, 3,957,854,614.65 and 2,475,311,067.90
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Solution
The fourth proportional to 2,638,569,743.10, 3,957,854,614.65 and 2,475,311,067.90 is: 3,712,966,601.85
Step by Step Solution
- Step 1: Write the proportion equation
2,638,569,743.10 : 3,957,854,614.65 = 2,475,311,067.90 : x - Step 2: Convert to fraction form
2,638,569,743.10/3,957,854,614.65 = 2,475,311,067.90/x - Step 3: Cross multiply
2,638,569,743.10x = 3,957,854,614.65 × 2,475,311,067.90 - Step 4: Simplify right side
2,638,569,743.10x = 9,796,921,332,782,235,648 - Step 5: Solve for x
x = 9,796,921,332,782,235,648/2,638,569,743.10 - Step 6: Final answer
x = 3,712,966,601.85
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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.