Finding the Fourth Proportional to 5,635,686,959.28, 8,446,176,624.24 and 3,148,447,419.90
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Solution
The fourth proportional to 5,635,686,959.28, 8,446,176,624.24 and 3,148,447,419.90 is: 4,718,562,828.76
Step by Step Solution
- Step 1: Write the proportion equation
5,635,686,959.28 : 8,446,176,624.24 = 3,148,447,419.90 : x - Step 2: Convert to fraction form
5,635,686,959.28/8,446,176,624.24 = 3,148,447,419.90/x - Step 3: Cross multiply
5,635,686,959.28x = 8,446,176,624.24 × 3,148,447,419.90 - Step 4: Simplify right side
5,635,686,959.28x = 26,592,343,000,608,120,832 - Step 5: Solve for x
x = 26,592,343,000,608,120,832/5,635,686,959.28 - Step 6: Final answer
x = 4,718,562,828.76
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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.