Finding the Fourth Proportional to 10,308,928,729.92, 14,225,921,177.28 and 6,301,309,121.28
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Solution
The fourth proportional to 10,308,928,729.92, 14,225,921,177.28 and 6,301,309,121.28 is: 8,695,561,800.99
Step by Step Solution
- Step 1: Write the proportion equation
10,308,928,729.92 : 14,225,921,177.28 = 6,301,309,121.28 : x - Step 2: Convert to fraction form
10,308,928,729.92/14,225,921,177.28 = 6,301,309,121.28/x - Step 3: Cross multiply
10,308,928,729.92x = 14,225,921,177.28 × 6,301,309,121.28 - Step 4: Simplify right side
10,308,928,729.92x = 89,641,926,873,004,785,664 - Step 5: Solve for x
x = 89,641,926,873,004,785,664/10,308,928,729.92 - Step 6: Final answer
x = 8,695,561,800.99
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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.