Finding the Fourth Proportional to 422,615,823.24, 633,626,709.03 and 186,153,143.19
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Solution
The fourth proportional to 422,615,823.24, 633,626,709.03 and 186,153,143.19 is: 279,098,881.32
Step by Step Solution
- Step 1: Write the proportion equation
422,615,823.24 : 633,626,709.03 = 186,153,143.19 : x - Step 2: Convert to fraction form
422,615,823.24/633,626,709.03 = 186,153,143.19/x - Step 3: Cross multiply
422,615,823.24x = 633,626,709.03 × 186,153,143.19 - Step 4: Simplify right side
422,615,823.24x = 117,951,603,495,070,048 - Step 5: Solve for x
x = 117,951,603,495,070,048/422,615,823.24 - Step 6: Final answer
x = 279,098,881.32
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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.