Finding the Fourth Proportional to 2,239,493,670.40, 3,360,920,121.60 and 1,148,415,116.80
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Solution
The fourth proportional to 2,239,493,670.40, 3,360,920,121.60 and 1,148,415,116.80 is: 1,723,483,984.36
Step by Step Solution
- Step 1: Write the proportion equation
2,239,493,670.40 : 3,360,920,121.60 = 1,148,415,116.80 : x - Step 2: Convert to fraction form
2,239,493,670.40/3,360,920,121.60 = 1,148,415,116.80/x - Step 3: Cross multiply
2,239,493,670.40x = 3,360,920,121.60 × 1,148,415,116.80 - Step 4: Simplify right side
2,239,493,670.40x = 3,859,731,474,002,734,080 - Step 5: Solve for x
x = 3,859,731,474,002,734,080/2,239,493,670.40 - Step 6: Final answer
x = 1,723,483,984.36
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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.