Finding the Fourth Proportional to 11,438,702,384.15, 15,785,006,679.05 and 6,288,712,359.99
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Solution
The fourth proportional to 11,438,702,384.15, 15,785,006,679.05 and 6,288,712,359.99 is: 8,678,201,711.29
Step by Step Solution
- Step 1: Write the proportion equation
11,438,702,384.15 : 15,785,006,679.05 = 6,288,712,359.99 : x - Step 2: Convert to fraction form
11,438,702,384.15/15,785,006,679.05 = 6,288,712,359.99/x - Step 3: Cross multiply
11,438,702,384.15x = 15,785,006,679.05 × 6,288,712,359.99 - Step 4: Simplify right side
11,438,702,384.15x = 99,267,366,605,066,436,608 - Step 5: Solve for x
x = 99,267,366,605,066,436,608/11,438,702,384.15 - Step 6: Final answer
x = 8,678,201,711.29
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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.