Finding the Fourth Proportional to 6,409,986,031.05, 8,846,271,456.55 and 4,033,161,331.03
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Solution
The fourth proportional to 6,409,986,031.05, 8,846,271,456.55 and 4,033,161,331.03 is: 5,566,071,406.32
Step by Step Solution
- Step 1: Write the proportion equation
6,409,986,031.05 : 8,846,271,456.55 = 4,033,161,331.03 : x - Step 2: Convert to fraction form
6,409,986,031.05/8,846,271,456.55 = 4,033,161,331.03/x - Step 3: Cross multiply
6,409,986,031.05x = 8,846,271,456.55 × 4,033,161,331.03 - Step 4: Simplify right side
6,409,986,031.05x = 35,678,439,962,351,894,528 - Step 5: Solve for x
x = 35,678,439,962,351,894,528/6,409,986,031.05 - Step 6: Final answer
x = 5,566,071,406.32
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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.