Finding the Fourth Proportional to 11,438,702,383.15, 15,785,006,677.67 and 6,288,712,358.99
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Solution
The fourth proportional to 11,438,702,383.15, 15,785,006,677.67 and 6,288,712,358.99 is: 8,678,201,709.92
Step by Step Solution
- Step 1: Write the proportion equation
11,438,702,383.15 : 15,785,006,677.67 = 6,288,712,358.99 : x - Step 2: Convert to fraction form
11,438,702,383.15/15,785,006,677.67 = 6,288,712,358.99/x - Step 3: Cross multiply
11,438,702,383.15x = 15,785,006,677.67 × 6,288,712,358.99 - Step 4: Simplify right side
11,438,702,383.15x = 99,267,366,580,661,338,112 - Step 5: Solve for x
x = 99,267,366,580,661,338,112/11,438,702,383.15 - Step 6: Final answer
x = 8,678,201,709.92
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1.5x scale
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.