Finding the Fourth Proportional to 2,782,085,305.60, 4,173,127,958.40 and 1,492,140,217.60
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Solution
The fourth proportional to 2,782,085,305.60, 4,173,127,958.40 and 1,492,140,217.60 is: 2,238,210,326.40
Step by Step Solution
- Step 1: Write the proportion equation
2,782,085,305.60 : 4,173,127,958.40 = 1,492,140,217.60 : x - Step 2: Convert to fraction form
2,782,085,305.60/4,173,127,958.40 = 1,492,140,217.60/x - Step 3: Cross multiply
2,782,085,305.60x = 4,173,127,958.40 × 1,492,140,217.60 - Step 4: Simplify right side
2,782,085,305.60x = 6,226,892,059,919,619,072 - Step 5: Solve for x
x = 6,226,892,059,919,619,072/2,782,085,305.60 - Step 6: Final answer
x = 2,238,210,326.40
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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.