Finding the Fourth Proportional to 11,513,484,883.63, 15,889,431,324.72 and 6,363,421,564.83
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Solution
The fourth proportional to 11,513,484,883.63, 15,889,431,324.72 and 6,363,421,564.83 is: 8,781,976,175.46
Step by Step Solution
- Step 1: Write the proportion equation
11,513,484,883.63 : 15,889,431,324.72 = 6,363,421,564.83 : x - Step 2: Convert to fraction form
11,513,484,883.63/15,889,431,324.72 = 6,363,421,564.83/x - Step 3: Cross multiply
11,513,484,883.63x = 15,889,431,324.72 × 6,363,421,564.83 - Step 4: Simplify right side
11,513,484,883.63x = 101,111,149,944,608,555,008 - Step 5: Solve for x
x = 101,111,149,944,608,555,008/11,513,484,883.63 - Step 6: Final answer
x = 8,781,976,175.46
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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.