Finding the Fourth Proportional to 6,327,415,691.14, 9,484,479,644.14 and 2,128,910,896.98
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Solution
The fourth proportional to 6,327,415,691.14, 9,484,479,644.14 and 2,128,910,896.98 is: 3,191,130,953.33
Step by Step Solution
- Step 1: Write the proportion equation
6,327,415,691.14 : 9,484,479,644.14 = 2,128,910,896.98 : x - Step 2: Convert to fraction form
6,327,415,691.14/9,484,479,644.14 = 2,128,910,896.98/x - Step 3: Cross multiply
6,327,415,691.14x = 9,484,479,644.14 × 2,128,910,896.98 - Step 4: Simplify right side
6,327,415,691.14x = 20,191,612,066,594,635,776 - Step 5: Solve for x
x = 20,191,612,066,594,635,776/6,327,415,691.14 - Step 6: Final answer
x = 3,191,130,953.33
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1.5x scale
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.