Finding the Fourth Proportional to 1,471,616,889.66, 2,206,536,221.95 and 586,438,426.49
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Solution
The fourth proportional to 1,471,616,889.66, 2,206,536,221.95 and 586,438,426.49 is: 879,303,328.93
Step by Step Solution
- Step 1: Write the proportion equation
1,471,616,889.66 : 2,206,536,221.95 = 586,438,426.49 : x - Step 2: Convert to fraction form
1,471,616,889.66/2,206,536,221.95 = 586,438,426.49/x - Step 3: Cross multiply
1,471,616,889.66x = 2,206,536,221.95 × 586,438,426.49 - Step 4: Simplify right side
1,471,616,889.66x = 1,293,997,629,981,048,832 - Step 5: Solve for x
x = 1,293,997,629,981,048,832/1,471,616,889.66 - Step 6: Final answer
x = 879,303,328.93
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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.