Finding the Fourth Proportional to 2,291,919,143.60, 3,437,874,424.35 and 718,146,928.97
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Solution
The fourth proportional to 2,291,919,143.60, 3,437,874,424.35 and 718,146,928.97 is: 1,077,219,048.90
Step by Step Solution
- Step 1: Write the proportion equation
2,291,919,143.60 : 3,437,874,424.35 = 718,146,928.97 : x - Step 2: Convert to fraction form
2,291,919,143.60/3,437,874,424.35 = 718,146,928.97/x - Step 3: Cross multiply
2,291,919,143.60x = 3,437,874,424.35 × 718,146,928.97 - Step 4: Simplify right side
2,291,919,143.60x = 2,468,898,960,027,161,600 - Step 5: Solve for x
x = 2,468,898,960,027,161,600/2,291,919,143.60 - Step 6: Final answer
x = 1,077,219,048.90
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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.