Finding the Fourth Proportional to 11,438,702,369.10, 15,785,006,658.39 and 6,288,712,344.95
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Solution
The fourth proportional to 11,438,702,369.10, 15,785,006,658.39 and 6,288,712,344.95 is: 8,678,201,690.59
Step by Step Solution
- Step 1: Write the proportion equation
11,438,702,369.10 : 15,785,006,658.39 = 6,288,712,344.95 : x - Step 2: Convert to fraction form
11,438,702,369.10/15,785,006,658.39 = 6,288,712,344.95/x - Step 3: Cross multiply
11,438,702,369.10x = 15,785,006,658.39 × 6,288,712,344.95 - Step 4: Simplify right side
11,438,702,369.10x = 99,267,366,237,656,203,264 - Step 5: Solve for x
x = 99,267,366,237,656,203,264/11,438,702,369.10 - Step 6: Final answer
x = 8,678,201,690.59
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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.