Finding the Fourth Proportional to 5,517,791,973.20, 8,276,687,959.80 and 4,919,176,830.80
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Solution
The fourth proportional to 5,517,791,973.20, 8,276,687,959.80 and 4,919,176,830.80 is: 7,378,765,246.20
Step by Step Solution
- Step 1: Write the proportion equation
5,517,791,973.20 : 8,276,687,959.80 = 4,919,176,830.80 : x - Step 2: Convert to fraction form
5,517,791,973.20/8,276,687,959.80 = 4,919,176,830.80/x - Step 3: Cross multiply
5,517,791,973.20x = 8,276,687,959.80 × 4,919,176,830.80 - Step 4: Simplify right side
5,517,791,973.20x = 40,714,491,647,609,487,360 - Step 5: Solve for x
x = 40,714,491,647,609,487,360/5,517,791,973.20 - Step 6: Final answer
x = 7,378,765,246.20
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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.